Member: AnonymousConfusedGuy

198 Questions
176 Answers

1214

+1452

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

1151

+1452

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

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AnonymousConfusedGuy Jul 6, 2018

1050

+1452

Anybody?

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

:?

AnonymousConfusedGuy Jul 4, 2018

2065

+1452

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

1012

+1452

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

1470

+1452

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 ..

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AnonymousConfusedGuy Jul 1, 2018

2177

+1452

Two Questions

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

2: A soccer ball is constructed read more ..

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AnonymousConfusedGuy Jun 27, 2018

1072

+1452

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

1730

+1452

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 ..

heureka ●●

AnonymousConfusedGuy Jun 21, 2018

2701

+1452

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!

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AnonymousConfusedGuy Jun 21, 2018

-2

6153

+1452

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

1752

+1452

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 ..

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AnonymousConfusedGuy Jun 18, 2018

1577

+1452

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

2516

+1452

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

3318

+1452

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

1453

+1452

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

2280

+1452

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

1459

+1452

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

+1452

Thank you all so much! This was super helpful!

AnonymousConfusedGuyJan 16, 2018

+1452

Thank you so much this was super helpful!

AnonymousConfusedGuyJan 10, 2018

+1452

Thank you so much!

AnonymousConfusedGuyJan 10, 2018

+1452

👍 :D

AnonymousConfusedGuyJan 9, 2018

+1452

Thanks so much :D

AnonymousConfusedGuyJan 9, 2018

+1452

Oh ok thanks! I'm stupid...

AnonymousConfusedGuyDec 20, 2017

+1452

Sorry, but that would make the sum 5 and 5 isn't right... Am I missing something?

AnonymousConfusedGuyDec 20, 2017

+1452

Oh! Also, I accidentally clicked out of your message and couldn't figure out how to re-open it but, you were right about my calculator oops!

AnonymousConfusedGuyDec 20, 2017

+1452

Thanks so much!

AnonymousConfusedGuyDec 20, 2017

+1452

The angle would be 101 degrees.

Sin θ = 14/16

θ = sin^-1 (14/16)

θ = 101 degrees

AnonymousConfusedGuyDec 20, 2017

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