Mathematics for IGCSE & O level - Angles (Section 2 - No. 23)

What is the definition of a right angle?

An angle greater than 90°.

An angle exactly 90°.

An angle less than 90°.

An angle of 180°.

Giải thích

A right angle is exactly 90°.

Bình luận (0)

Quảng cáo