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eileenthecoolbean
Username
eileenthecoolbean
Score
75
Stats
Questions
15
Answers
0
16 Questions
0 Answers
0
127
1
+75
MAth
Eight U.S. coins are worth a total of 38 cents. How many of the coins are dimes?
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eileenthecoolbean
Aug 17, 2017
0
244
1
+75
Geometry
A (non-degenerate) triangle with integer sides has perimeter 12. How many such non-congruent triangles are there?
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eileenthecoolbean
Aug 17, 2017
0
402
2
+75
Geometry
Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer?
heureka
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eileenthecoolbean
Aug 16, 2017
0
297
2
+75
Geometry
Two sides of an acute triangle are 8 and 15. How many possible lengths are there for the third side, if it is a positive integer?
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eileenthecoolbean
Aug 15, 2017
0
211
5
+75
Geometry
By how many degrees does the measure of an interior angle of a regular octagon exceed the measure of an interior angle of a regular hexagon?
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eileenthecoolbean
Aug 14, 2017
0
198
1
+75
Geometry
By how many degrees does the measure of an interior angle of a regular octagon exceed the measure of an interior angle of a regular hexagon?
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eileenthecoolbean
Aug 10, 2017
0
286
1
+75
Rectangles, Geometry
I draw a $7 \times 11$ rectangle, and then another rectangle outside the first rectangle, so that the corresponding sides of the rectangles are parallel, and the distances between the corresponding sides is 1. Find the area of the border between the two
read more ..
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eileenthecoolbean
Aug 9, 2017
0
218
2
+75
Geometry
In quadrilateral $ABCD$, we have $AB = BC = CD = DA$, $AC = 14$, and $BD = 48$. Find the perimeter of $ABCD$.
RektTheNoob
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eileenthecoolbean
Aug 9, 2017
0
304
1
+75
Geometry
I draw a $7 \times 11$ rectangle, and then another rectangle outside the first rectangle, so that the corresponding sides of the rectangles are parallel, and the distances between the corresponding sides is 1. Find the area of the border between the two
read more ..
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eileenthecoolbean
Aug 7, 2017
+1
356
1
+75
parallelograms
In the diagram below, quadrilateral $ABDE$ is a parallelogram, and $BC = BD$. If $\angle CBD = 28^\circ$, then find $\angle BAE$, in degrees.
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eileenthecoolbean
Aug 7, 2017
+1
327
1
+75
quadrilaterals
The angles of a quadrilateral are $x$, $5x + 15^\circ $, $3x - 25^\circ$, and $4x - 20^\circ $. Find the measure of the largest angle of the quadrilateral.
hectictar
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eileenthecoolbean
Aug 7, 2017
+1
432
2
+75
triangles
In $\triangle RST$, $RS = 13$, $ST = 14$, and $RT = 15$. Let $M$ be the midpoint of $\overline{ST}$. Find $RM$.
Thanks
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eileenthecoolbean
Aug 5, 2017
+1
372
1
+75
triangles
In $\triangle ABC$, we have $AB = AC = 13$ and $BC = 10$. Let $M$ be the midpoint of $\overline{AB}$ and $N$ be on $\overline{BC}$ such that $\overline{AN}$ is an altitude of $\triangle ABC$. If $\overline{AN}$ and $\overline{CM}$ intersect at $X$, then
read more ..
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eileenthecoolbean
Jul 20, 2017
+2
329
1
+75
geometry question
Let $AB = 6$, $BC = 8$, and $AC = 10$. What is the area of the circumcircle of $\triangle ABC$ minus the area of the incircle of $\triangle ABC$?
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eileenthecoolbean
Jul 14, 2017
+2
252
1
+75
Another geometry question... Help plz
Quadrilateral $ABCD$ is a square, and segment $AE$ is perpendicular to segment $ED$. If $AE = 8$ units and $DE = 6$ units, what is the area of pentagon $AEDCB$, in square units?
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eileenthecoolbean
Jul 14, 2017
+2
257
1
+75
geometry help plz?
Find the inradius of $\triangle JKL$ if $JK=JL=17$ and $KL = 16$.
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eileenthecoolbean
Jul 14, 2017
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