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2 years ago

I need help with 7th grade math please need help ASAP + brainleist

Mathematics

2 answers:

Kamila [148]2 years ago

8 0

Answer:

Area = 6647.610055 cm^2

Circumference = 289.02652413 cm

Step-by-step explanation:

Area of Circle: Area = π*r^2

Circumference: C = 2*π*r or π*d

Area = π * 46^2 = 6647.610055

Circumference = 2*π*46 = 289.02652413

erastova [34]2 years ago

8 0

Area = 6644.24 cm^2
Circumference = 288.88 cm

Area of a circle is pi * radius squared or pi * r^2

pi = 3.14 (the problem told us this)
radius = 46 cm

plug in the numbers

A = 3.14(46)^2

(square the 46 first)

A = 3.14 * 2116

A = 6644.24 cm ^ 2

Circumference formula is

2pi* r

plug in the numbers

C = 2 * 3.14 * 46

C = 6.28 * 46

C = 288.88 cm

i hope this helps

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