Acircle with a central that measures 68° has a radius of 7.4 inches. what is the area of sector aob? use 3.14 for , and round your answer to the nearest tenth.

32.5 square inches

Step-by-step explanation:

Area of a sector is calculated using the formula;

The central angle is 68 degrees, the radius is 7.4

We substitute the values into the formula to get;

We round to the nearest tenth to obtain;

32.5 square inches

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'.

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