Find the exact area and circumference of a circle whose diameter is 8 meters. Show your work.

1. 100.53 Metres

2. 25.13 Metres

Step-by-step explanation:

1. 2 x pi x 4 x 4

2. 2 x pi x 4

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2