Answer:
1386 square units
Step-by-step explanation:
Area of a cirlce = Pi x r^2 [ Pi is 22/7 as stated in question]
22/7 x 21^2 = 1386 sq. units
APZ is the correct answer
Answer:
Step-by-step explanation:
(5p)(7q)=35pq
Answer:
-4
Step-by-step explanation:
That would be tan
(1-cos)(1+cos)=1-cos² which equals to sin²
√sin²/cos²= sin/cos which equals to tan