What fraction of a straight angle is a right angle .
We know that, straight angle =180° and right angle =90°
Now, fraction =90°180°=12
Hence, 12 of straight angle is a right angle.
What is the Measure of a right angle and a straight angle?
A straight angle is equal to ___ right angle(s).
What is the measure of (i) a right angle? (ii) a straight angle?
What is the relation among a right angle, a straight angle and a complete angle?