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22 votes
Find the value of x in the isosceles triangle shown below.

5
5
C
6
Choose
answer:
= 761
x = V11
x = 15

Find the value of x in the isosceles triangle shown below. 5 5 C 6 Choose answer: = 761 x-example-1
User CHsurfer
by
5.9k points

1 Answer

5 votes

Answer:

D. x=4

Explanation:

We can solve this with the Pythagorean Theorem for the right triangle that we can see (which is half of the triangle).

The bottom length is 3 and the hypotenuse is 5.

The Pythagorean Theorem is a²+b²=c².

We can plug this in:

3²+x²=5²

9+x²=25

x²=16

x=4

User Peterchen
by
7.3k points
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