The line from an incenter to a vertex bisects the angle that is produced there. You probably notice this in angle ASB and angle ARC. Therefore, angle ZTB is going to be equal to half of the angle measure of BTC. We can do the following:
24+24+35+35+x+x=180 (x represents the two angles in angle BTC when they are bisected) simplifies to 2x+118=180 Solving for x, we get that x=31.
So angle ZTB=31.
:)
Answer from: Quest
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Answer from: Quest
363 square inches
step-by-step explanation:
surface area of a pyramid is b + 1/2ph
b is the area of the base: 11 x 11 = 121
p is the perimeter of the base: 11 + 11 + 11 + 11 = 44
h is the height of the pyramid: 11
121 + 1/2(44)(11)
121 + 242
363
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