Question

Please help!
find the value of x in the isosceles triangle shown below.
4
6

Answer 1

B

Explanation:

Pythagorean theorem:

6^2 + (4/2)^2 = x^2

36 + 4 = x^2

40 = x^2

x =
`√(40)`=
`2√(10)`

Answer is B