Question

Which triangle is a special right triangle?

Answer 1

the first one

Explanation:

Note that the right triangle 90°- 60° - 30° has

legs 1 and
`√(3)` with hypotenuse 2

The first triangle has sides which are multiples of this special triangle

legs (1 × 5) and (
`√(3)` × 5) = 5 and 5
`√(3)`

with hypotenuse = (2 × 5) = 10

Hence the first triangle is the special triangle

Answer 2

the first since satisfy 1:√3:2