SOLUTION: My little sister has a question. She needs to find the value of x for an isosceles triangle. there are two angles that are congruent of 40 degrees. and the other angle is (4X

Question 808866: My little sister has a question. She needs to find the value of x for an isosceles triangle.

there are two angles that are congruent of 40 degrees. and the other angle is (4X+10)degrees.
is the answer 22.5 or 6?
help please. and how sis you get that answer?
Found 2 solutions by Alan3354, solver91311:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
there are two angles that are congruent of 40 degrees. and the other angle is (4X+10)degrees.
--------------
2*40 = 80
The sum is 180 for all triangles.
--> 4x+10 = 180-80 = 100
4x = 90
x = 22.5

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

If your little sister has a question then why didn't she ask it?

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it

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