Acylindrical grain silo has a radius of 10 feet and a height of 90 feet. what is the maximum volume of grain the silo can hold? (to nearest whole number) a) 7,069 ft3 b) 14,137 ft3 c) 28,274 ft3 d) 56,549 ft3

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'.

ab will be equal to