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3 years ago

What is the area of the circle? d = 8 m 6471 m2 50.24 m2 100.48 m2

Mathematics

1 answer:

Zarrin [17]3 years ago

7 0

Answer: 50.24 m2

Step-by-step explanation:

the fomlua for the area of a cuculal is

A=1/4 π d^2

so...

1/4 * π * 8^2

=50.24

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A scale on a map shows that 1 inch = 25 miles. How many inches on the map represent 100 miles? *

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Answer:

4 inches

Step-by-step explanation:

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2 years ago

The sum of deviations of n observations about 25 is 25 and the sum of deviations of the same n observations about 35 is −25. The

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Answer:

Step-by-step explanation:

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3 years ago

Vaness’s team won their softball game and scored sixty-three points total. If Vanessa scored fifteen of the points and everyone

Anika [276]

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3 years ago

Given circle and circle with radii of 6cm and 4cm respectively.

noname [10]

Solution :

Given that :

The radius of circle A = 6 cm

The radius of circle C = 4 cm

In circle A

$\angle EAF = \theta = 140^\circ$

The length of arc EF = $2 \pi r \times \frac{\theta}{360^\circ}$

$=2 \times 3.14 \times 6 \times \frac{140^\circ}{360^\circ}$

= 14.653 cm

In circle C

$\angle GCH = \theta = 140^\circ$

The length of arc GH = $2 \pi r \times \frac{\theta}{360^\circ}$

$=2 \times 3.14 \times 4 \times \frac{140^\circ}{360^\circ}$

= 9.769 cm

Therefore,

The length of EF is 14.653 cm

The length of GH is 9.769 cm

The length of EF is 1.5 times the length of GH

i.e. 14.653 = 1.5 x 9.769

14.653 = 14.653

Hence proved.

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3 years ago

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nalin [4]

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