Marcia needs to paint all the faces and the base of a model of a pyramid she made for her history project. the dimensions of the pyramid are shown. what is the total surface area of the pyramid?

a square pyramid is shown. the side of the square is 10 inches. the height of the triangular faces is 7 inches.

135 in2

170 in2

240 in2

260 in2

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh

for the free

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