Question

The radius of circle is 7ab-7bc - 14ac. find circumference

Answer 1

Hey dear buddy..

Here's is ur answer ^^^^^_______^^^^




Perimeter = 2×22/7×(7ab-7bc-14ca)
= 44/7×7(ab-bc-2ca)
= 44×(ab - bc - 2ca)
= 44ab - 44bc - 88ca

Dear:) hope its helps ☺☺

Answer 2

The circumference of the circle = 44ab - 44bc - 88ac

Given :

The radius of circle is 7ab - 7bc - 14ac.

To find :

The circumference of the circle

Formula :

The circumference of a circle of radius r unit

= 2πr unit

Solution :

Step 1 of 2 :

Write down the radius of the circle

The radius of circle

= r

= 7ab - 7bc - 14ac

= 7(ab - bc - 2ac)

Step 2 of 2 :

Find circumference of the circle

The circumference of the circle

$\displaystyle \sf{ = 2\pi r }$

$\displaystyle \sf{ = 2 \times \frac{22}{7} \times 7(ab - bc - 2ac) }$

$\displaystyle \sf{ = 2 \times 22 \times (ab - bc - 2ac) }$

$\displaystyle \sf{ = 44(ab - bc - 2ac) }$

$\displaystyle \sf{ = 44ab - 44bc - 88ac}$

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