Find the circumference and the area of a circle with diameter 8 yd. Use the value 3.14 for, and do not round your answers.

I need the area and circumference!!

Answers:

area = 50.24 square yards

circumference = 25.12 yards

values are approximate

Work Shown:

d = 8 is the diameter

r = 4 is the radius, half the diameter

pi = 3.14 approximately

C = 2*pi*r = circumference

C = 2*3.14*4

C = 25.12 yards is the circumference. The circumference is the distance around the circle, aka the perimeter

An alternative formula you can use is C = pi*d

A = area of circle

A = pi*r^2

A = 3.14*4^2

A = 50.24 square yards is the area

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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