Find the circumference of a circle with a radius of 35 inches in terms of 7 and to the nearest tenth of an inch.​

Answer and Step-by-step explanation:

The circumference formula for a circle is:

C =

Plug 35 in for r (radius) and solve.

C =

So, approximately 219.9 is the answer.

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i used to know how to do this in 7th but i forget easily

step-by-step explanation:

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.