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Scrat [10]
3 years ago
7

Please help anybody I need to fast please

Mathematics
1 answer:
elena55 [62]3 years ago
4 0
Answer:
D. t = -1

step-by-step explanation:
that side should be 180 degrees and the whole is 360 but we are only measuring half
so (20t + 5) = 15t
-20t -20t
5 = -5t
/-5 /-5
-1 = t
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