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sp2606 [1]
3 years ago
14

What is the approximate measure of R?

Mathematics
1 answer:
deff fn [24]3 years ago
5 0
Tan (∠R) = 21/20
∠R = tan¯¹ (21/20) ~ 46.4°
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We already know how to find where the graph of f(x) cuts the x−axis. That’s where y = 0. We calculate it by solving the equation  f(x) = 0 .

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