Question

Which angle in the figure is a right angle?

1: ∠STU

2: ∠TSR

3: ∠TUS

4: I don't know.

Answer 1

3: ∠TUS

Explanation:

line measures 180°

so < U + <TUS =180°................ < U = 90°

< U + <TUS =180°................ < U = 90° 90° + <TUS = 180°

< U + <TUS =180°................ < U = 90° 90° + <TUS = 180° <TUS = 90°

Answer 2

TUS

Explanation:

The angle parallel has the square that indicates its a right angle - parallel angles have the same number