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xz_007 [3.2K]
2 years ago
11

eeek i have no idea what im doing and i have like ten more questions to answer :( and i have no idea what im doing

Mathematics
2 answers:
vfiekz [6]2 years ago
7 0

Length of the radius of the small pizza = 15 inches

Circumference of the small pizza :

=\tt 2\pi r

= \tt2 \times 3.14 \times 15

= \tt94.2 \: inches

Thus, the circumference of the small pizza = 94.2 inches

Length of the radius of the large pizza = 24 inches

Circumference of the large pizza :

= \tt2\pi r

\tt2 \times 3.14 \times 24

= \tt150.72

Thus, the circumference of the large pizza = 150.72 inches

Ratio of the circumferences of the two pizzas :

= 94.2 : 150.72

=  \tt\frac{94.2 \times 100}{150.72 \times 100}

= \tt \frac{9420}{15072}

Let us simplify the fraction :

=  \tt\frac{9420}{15072}

=\tt \frac{9420 \div 12}{15072 \div 12}

= \tt \frac{785}{1256}

=  \tt\frac{785 \div 157}{1256 \div 157}

= \color{plum}{ \tt\frac{5}{8} }

Thus, the ratio of their circumferences = 5:8

Therefore, the ratio of the circumferences of the pizzas as a fraction = \color{plum}{ \tt\frac{5}{8} }

myrzilka [38]2 years ago
4 0

Answer:

25/64

Step-by-step explanation:

C=πd

find diameter:

small= 15 x 15= 225

large= 24 x 24= 576

multiply:

225 x 3.14= 706.5

576 x 3.14= 1808.64

ratio:

706.5/1808.64

reduce:

25/64

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