1/2 of a right angle is

1/6 of a right angle is

If one of the complementary angles is 60^o, then the other angle is ______.

In a triangle angle A = 80^o, angle B = 30^o_. Then the value of the angle C is ---------

3 times of a right angle is

Degree measure of an acute angle is _______.

Sum of angles of a triangle is  ______.

Opposite angles of a parallelogram are ______.

In Δ ABC, ∠A = 35^o, ∠B = 60^o, Find ∠C?

Two pairs of adjacent sides are equal for _______.