Complementary angles are two angles that add up to 90°
so, 90°-81°=9°
Answer:
15 minutes
Step-by-step explanation:
43 is a prime number, so
it has factors only 1 and 43, You can write only 43*1=43.
44
circumference = 2πr = 2*(22/7)*(14/2) = 44