What is angle; measure of an angle; sense of an angle ; right angle ?

What is the measure of a right angle?

What is the measure of 3 Right angles ?

In triangle XYZ, the measure of angle X is 30° greater than the measure of angle Y and angle Z is a right angle. Find the measure of ∠Y.

Fill in the blanks with acute, obtuse, right or straight : (a) An angle whose measure is less than that of a right angle is______. (b) An angle whose measure is greater than that of a right angle is ______. (c) An angle whose measure is the sum of the measures of two right angles is _____. (d) When the sum of the measures of two angles is that of a right angle, then each one of them is ______. (e) When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be _______.

Fill in the blanks with acute, obtuse,right or straight :(a) An angle whose measure is less than that of a right angle is______.(b) An angle whose measure is greater than that of a right angle is ______.(c) An angle whose measure is the sum of the measures of two right anglesis _____.(d) When the sum of the measures of two angles is that of a right angle, then each one of them is ______.(e) When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be _______.

What is the measure of (i) a right angle? (ii) a straight angle?

What is the measure of (i) a right angle? (ii) a straight angle?