Find the area of a circle with:?

1 ⤊

A. Radius = 15m

B. Diametre = 7m

2007-09-13 11:40:01 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Question A
A = π x 15 ² m ²
A = 706.9 m ²

Question B
A = π x 3.5 ² m ²
A = 38.5 m²

2007-09-17 11:20:51 · answer #1 · answered by Como 7 · 1⤊ 0⤋

a. A = ÏRÂ² = 225Ï

b. A = ÏDÂ²/4 = 49Ï/4

2007-09-13 18:44:29 · answer #2 · answered by gebobs 6 · 0⤊ 1⤋

A.= pi(r)2
= pi(15)2
= 706.86

B. = pi(r)2
= pi(3.5)2
= 38.48

2007-09-13 18:47:14 · answer #3 · answered by IllusionGirl 3 · 0⤊ 0⤋

a = 706.5
b= 38.465

2007-09-13 18:43:43 · answer #4 · answered by Anonymous · 0⤊ 1⤋