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Umnica [9.8K]
3 years ago
12

A circular fountain has a radius of 9.4 feet find its diameter and circumference to the nearest tenth

Mathematics
2 answers:
ad-work [718]3 years ago
7 0

Answer:

18.8 feet, 59.1 feet to the nearest tenth

Step-by-step explanation:

The diameter is the line drawn that divides the circle into two while the circumference is the perimeter of the circle. Both are a measure of the radius of the circle.

The diameter D = 2r where r is the radius of the circle

The circumference = 2Πr = ΠD where Π = 22/7

Given that the circular fountain has a radius of 9.4 feet

Its diameter =  2 × 9.4 feet = 18.8 feet

The circumference = 22/7 × 18.8 feet

=59.09 feet

≈ 59.1 feet to the nearest tenth

ollegr [7]3 years ago
7 0
Diameter = radius * 2
9.4 * 2 = 18.8
diameter is 18.8 feet
circumference = \pi * diameter 
c = 3.14 * 18.8
c = 59.032
circumference is 59 feet.
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