Geometry Answers

The measure of an exterior angle is 40 degrees. Find the measure of an exterior angle.

Point A is on the line y+3x=2 and is equidistant from points B and C, both of which lie on the line y=1/3x+8. D is on the intersection of both lines. Prove that y+3x=2 bisects BC.

abc is a right-angled triangle. Right-angled triangled at B and O is the mid-point of AC. Show that O is equidistant from points A,B and C.

Prove that a prime number cannot be expressed as the sum of two or more consecutive
positive odd integers.

Two triangles are similar.the lengths of the sides of the smaller triangle are 4,6,7. The longer side of the larger triangle is 21. What is the perimeter of the larger triangle?

each side of a square checkerboardmeasurees 40 cm. what is is the length of the diagonal of the board

An isosceles trapezoid has________pair(s) of parallel sides.

theres a parallelogram QRST, if Q measures 44 degrees, what is the measure of angle t

a regular polygon has 20 sides find the size of each interior angle?

If point M is a midpoint of segment XY, and segment MX=(2x+3) and segment XY=(4x+6), find x...

Please Help............. It's either I think fraction 5/4 or number 4....