AnonymousConfusedGuy

198 Questions
176 Answers

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Help!

Two circles are externally tangent at point P, as shown. Segment CPD is parallel to common external tangent AB. Prove that the distance between the midpoints of line AB and line CD is AB/2.
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AnonymousConfusedGuy Jul 8, 2018

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Be really great if someone could answer this :D

https://web2.0calc.com/questions/let-denote-the-circular-region-bounded-by-x-2-y-2

:D

AnonymousConfusedGuy Jul 6, 2018

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Anybody?

https://web2.0calc.com/questions/let-denote-the-circular-region-bounded-by-x-2-y-2

:?

AnonymousConfusedGuy Jul 4, 2018

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Let denote the circular region bounded by x^2 + y^2 = 36. The lines x = 4 and y = 3 partition into four regions . Let

Let denote the circular region bounded by x^2 + y^2 = 36. The lines x = 4 and y = 3 partition into four regions . Let denote the area of region . If , then compute .
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AnonymousConfusedGuy Jul 3, 2018

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Would be great if this could be answered by tomorrow!

In triangle ABC, angle A = 36 and angle B = angle C = 72. Let line BD be the angle bisector of angle ABC.

(a) Prove that BC = BD = AD.
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AnonymousConfusedGuy Jul 2, 2018

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In triangle ABC, angle A = 36 and angle B = angle C = 72. Let line BD be the angle bisector of angle ABC.

In triangle ABC, angle A = 36 and angle B = angle C = 72. Let line BD be the angle bisector of angle ABC.

(a) Prove that BC = BD = AD.
read more ..

AnonymousConfusedGuy Jul 1, 2018

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Two Questions

1: Find BC in the following triangle, to two decimal places.

2: A soccer ball is constructed read more ..

AnonymousConfusedGuy Jun 27, 2018

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One more for tonight

Before I catch up on the 32 hours of sleep I have missed...

In right triangle ABC with angle B = 90 degrees, we have 2 sin A = 3 cos A. What is sin A?
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AnonymousConfusedGuy Jun 21, 2018

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Circle is the incircle of triangle ABC and is also the circumcircle of triangle XYZ. The point X is on line BC, point Y is on

Circle is the incircle of triangle ABC and is also the circumcircle of triangle XYZ. The point X is on line BC, point Y is on overline AB, and the point Z is on line AC. If angle A=40 degrees, angle B=60 degrees, and angle read more ..

AnonymousConfusedGuy Jun 21, 2018

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Right-Triangle Geometry

In right triangle DEF, we have angle E = 90 degrees and tan D = 3*sin D. What is sin F?

Super confused about this one, thanks!

AnonymousConfusedGuy Jun 21, 2018

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A Couple of Questions

1: If A is an acute angle such that tan A + sec A = 2, then find cos A.

2: In triangle GHI, we have GH = HI = 25 and GI = 30. What is sin (angle GHI)?
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AnonymousConfusedGuy Jun 21, 2018

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In triangle ABC, AB = AC, D is the midpoint of line BC, E is the foot of the perpendicular from D to line AC, and F is the midpoint

In triangle ABC, AB = AC, D is the midpoint of line BC, E is the foot of the perpendicular from D to line AC, and F is the midpoint of line DE. Prove that line AF is perpendicular to line BE.

Thanks! read more ..

AnonymousConfusedGuy Jun 18, 2018

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Analytic Geometry

A triangular region is enclosed by the lines with equations y = 1/2 x + 3, y = -2x + 6 and y = 1. What is the area of the triangular region? Express your answer as a decimal to the nearest hundredth.

Thank you! read more ..

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AnonymousConfusedGuy Jun 15, 2018

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2 Problems

1: The line intersects the circle at A and B. Find the length of chord .

and
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AnonymousConfusedGuy Jun 14, 2018

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Several Problems

1: A line with slope 6 bisects the area of a unit square with vertices (0,0), (1,0), (1,1), and (0,1). What is the y-intercept of this line?

2: The line intersects the circle at A and B. Find read more ..

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AnonymousConfusedGuy Jun 13, 2018

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Tricky Problem

Let A, B, and C be three points on the curve xy = 1 (which is a hyperbola). Prove that the orthocenter of triangle ABC also lies on the curve xy = 1.

Thank you!

heureka ●●●●

AnonymousConfusedGuy Jun 7, 2018

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If the area of triangle ABC is 27, what is the value of p?

If the area of triangle ABC is 27, what is the value of p?

Thank you!

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AnonymousConfusedGuy Jun 7, 2018

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Find the number of square units in the area of the shaded region.

Find the number of square units in the area of the shaded region.

Thanks! read more ..

ElectricPavlov ●●

AnonymousConfusedGuy Jun 6, 2018

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Thanks so much! You're a life-saver!

AnonymousConfusedGuyFeb 6, 2018

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Thank you so much!

AnonymousConfusedGuyFeb 2, 2018

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I got it it is 15 :D

AnonymousConfusedGuyFeb 2, 2018

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I actually managed to figure this one out! Thanks so much though!

AnonymousConfusedGuyFeb 2, 2018

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Thank you so much! I actually found the transcript of my class from a friend so I'm covered on that front (phew) All your answers were so helpful!

AnonymousConfusedGuyJan 31, 2018

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Thank you so much!

AnonymousConfusedGuyJan 29, 2018

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Thank you so much! I think I'm getting the hang of this now... Probably won't need help for a while!

AnonymousConfusedGuyJan 24, 2018

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Thank you so much! I tried to post this yesterday but it didn't go through for some reason. This was super helpful along with your other response. :)

AnonymousConfusedGuyJan 23, 2018

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A quadrilateral is called a "parallelogram" if both pairs of opposite sides are parallel. Show that if WXYZ is a parallelogram, then < W = < Y and < X = < Z.

(< = angle)

I put the link in the problem title.

AnonymousConfusedGuyJan 23, 2018

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Thank you so much! It looked so complicated haha

AnonymousConfusedGuyJan 22, 2018