SOLUTION: it says to find x and the measure of each side of the triangle. triangle DEF is isosceles, angle D is the vertex angle, DE=x+7, Df=3x-1, and EF=2x+5

Question 520740: it says to find x and the measure of each side of the triangle. triangle DEF is isosceles, angle D is the vertex angle, DE=x+7, Df=3x-1, and EF=2x+5
Answer by mamiya(56) (Show Source): You can put this solution on YOUR website!
it says to find x and the measure of each side of the triangle. triangle DEF is isosceles, angle D is the vertex angle, DE=x+7, Df=3x-1, and EF=2x+5
D is a vertex angle, so DE=DF
thus, x+7=3x-1
8=2x
x=4
DE= x+7
=4+7
=11
DF= 3X-1
=3*4 -1
=11
EF= 2x-5
= 2*4 - 5
= 3
RELATED QUESTIONS
Triangle DEF is an isosceles triangle. The measure af angle DEF is 120�and the altitude... (answered by KMST)

Triangle QAD is an isosceles triangle with angle D as the vertex angle. if measure of... (answered by macston)

Triangle DEF is isosceles. Angle D measures 20 degrees. what is the measure of angle E in (answered by solver91311)

The questions says the ratio of the measure of the vertex angle to the base angle of an... (answered by josgarithmetic)

In triangle DEF , angle D=80 and angle E is 3 times angle F. Find the measure of both... (answered by macston)

The measure of the vertex angle of an isosceles triangle is 126. Find the measure of each (answered by checkley75)

The measure of the vertex angle of an isosceles triangle is 126. Find the measure of each (answered by HyperBrain)

The measure of the vertex angle of an isosceles triangle is 100�. Find the measure of... (answered by jrfrunner)

In triangle DEF, DE=17 and measure of angle F=32. Find DF to the nearest... (answered by Alan3354)