Q1. SHORT ANSWERS QUESTIONS : (05 MARKS) Wave used by astronauts for communication in space ? Why Sound waves are called mechanical waves? Aircrafts flying at...
1. ABCD is a parallelogram in which ∠A = 110°. Find the measure of each of the angles ∠B, ∠C and ∠D. 2. Two adjacent angles of a parallelogram are equal. What is the measure of each...