3 years ago

I need help with 7th grade math please 45 points need help ASAP + brainleist

Mathematics

2 answers:

belka [17]3 years ago

6 0

Answer:

2.5 feet

Step-by-step explanation:

Circumference = 2πr

Solving :

15.7 = 2 x 3.14 x r
5 = 2r
r = 5/2
r = 2.5 feet

melamori03 [73]3 years ago

4 0

Answer:

2.5 feet

Step-by-step explanation:

Circunference= $C = \pi d$

15.7 = 3.14 · $d$

$\frac{15.7}{3.14}$ = $d$

5 = $d$

And,

$d = 2r$

So,

$5 = 2r$

$\frac{5}{2}$ = r

2.5 = r

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