член: eileenthecoolbean

0

1430

1

+77

MAth

Eight U.S. coins are worth a total of 38 cents. How many of the coins are dimes?

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eileenthecoolbean 17 авг. 2017 г.

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3429

1

+77

Geometry

A (non-degenerate) triangle with integer sides has perimeter 12. How many such non-congruent triangles are there?

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eileenthecoolbean 17 авг. 2017 г.

+1

1

5694

2

+77

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 ●●

eileenthecoolbean 16 авг. 2017 г.

+1

7815

2

+77

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 15 авг. 2017 г.

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919

5

+77

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 14 авг. 2017 г.

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1115

1

+77

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 10 авг. 2017 г.

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3256

1

+77

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 прочитайте больше ..

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eileenthecoolbean 9 авг. 2017 г.

0

1299

2

+77

Geometry

In quadrilateral $ABCD$, we have $AB = BC = CD = DA$, $AC = 14$, and $BD = 48$. Find the perimeter of $ABCD$.

RektTheNoob ●●

eileenthecoolbean 9 авг. 2017 г.

0

3197

1

+77

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 прочитайте больше ..

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eileenthecoolbean 7 авг. 2017 г.

+1

2153

1

+77

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 7 авг. 2017 г.

+1

1994

1

+77

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 ●

eileenthecoolbean 7 авг. 2017 г.

+1

2996

2

+77

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 5 авг. 2017 г.

+1

3726

1

+77

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 прочитайте больше ..

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eileenthecoolbean 20 июл. 2017 г.

+2

1112

1

+77

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 14 июл. 2017 г.

+2

2052

1

+77

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 14 июл. 2017 г.

+2

951

1

+77

geometry help plz?

Find the inradius of $\triangle JKL$ if $JK=JL=17$ and $KL = 16$.

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eileenthecoolbean 14 июл. 2017 г.

Имя пользователя	eileenthecoolbean
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