Mathematics, 09.06.2020 18:57 224509

Find the circumference of each circle, use 3.14 for . Include units and round to the nearest tenth. Show work 7. The circumference of a circle is 34.54 cm. What is the diameter and radius of the circle? (Show work)

8. What is the circumference of a circle in terms of , if it has a radius of 3.5 in?
(in terms of means do not substitute 3.14 for pi, leave the symbol in the final answer)

Find the circumference of each circle, use 3.14 for . Include units and round to the nearest tenth.

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Answer from: keldrickking

a) The circumference of the circle C = 21.98 m

b) The circumference of the circle C = 37.68 ft

c) The circumference of the circle C = 40.82 km

d) The radius of the circle = r = 11 c.m

The Diameter of the circle 'd' = 2(r) = 2(11) =22 c.m

e) The circumference of the circle = 21.98 inches

Step-by-step explanation:

a) In First diagram

Given radius of the circle 'r' = 7.1 m

The circumference of the circle C = 2πr

C = 2 (3.14) (7.1)

C = 21.98 m

The circumference of the circle C = 21.98 m

b) In second diagram

Given diameter of the circle 'd' = 12 ft

The circumference of the circle C = 2πr

C = π(2 r)

Diameter = 2 X radius

d = 2 r

The circumference of the circle C = πd

C = 3.14 ×12

The circumference of the circle C = 37.68 ft

Given diameter of the circle 'd' = 13 km

The circumference of the circle C = 2πr

C = π(2 r)

Diameter = 2 X radius

d = 2 r

The circumference of the circle C = πd

C = 3.14 ×13

The circumference of the circle C = 40.82 km

7) The circumference of the circle C = 2πr

Given The circumference of a circle is 34.54 cm

Now 2πr = 34.54

2(3.14) r = 34.54

$r = \frac{34.54}{3.14} = 11$

The radius of the circle = r = 11 c.m

The Diameter of the circle 'd' = 2(r) = 2(11) =22 c.m

8) Given radius of the circle 'r' = 3.5 inches

The circumference of the circle C = 2πr

C = 2 (3.14) (3.5)

C = 21.98

The circumference of the circle = 21.98 inches

Answer from: Quest

step-by-step explanation:

Answer from: Quest

40 because it’s just a little longer than 32 feet
Find the length of the missing side. a) 56 ft b) 45 ft c) 42 ft d) 40 ft

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Find the circumference of each circle, use 3.14 for . Include units and round to the nearest tenth....