just use the formula:
a = πr^2 = 49π = ...
A flying disc has a radius of 7 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi.
4 answers
A = pi * r^2
A = 3.14 * 49
A = ________ square inches
A = 3.14 * 49
A = ________ square inches
So the forumla for area of a circle is A= pi r^2.
So plug it in, A= 3.14(7^2), 3.14*49 = 153.86in^2
Hoped I helped!
So plug it in, A= 3.14(7^2), 3.14*49 = 153.86in^2
Hoped I helped!
A flying disc has a circumference of 75.36 centimeters. What is the area of the flying disc? (Use 3.14 for .)
2 answers