Question

राइट द मेथड ऑफ एंड एंगल विच इज इट साउंड कंप्लीमेंट्री एंगल​

Answer 1

Answer:

the sum of two angle is equal to the 90° then it is konwn as complementary angle

Step-by-step explanation:

for example: 60°+30°=90°

Answer 2

Answer:

of a ring whose inner circumference is 342 metre and outer circumference is 396 metre find the cost of levelling the track at the rate of 2 per metre square