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Natali5045456 [20]
3 years ago
5

What is the measure of ∠R ?

Mathematics
2 answers:
aivan3 [116]3 years ago
8 0

Answer:

(m

Step-by-step explanation:

we know that

In the right triangle RST

sin(R\°)=\frac{ST}{RT} -----> opposite side to angle R divided by the hypotenuse

substitute the values

sin(R\°)=\frac{30}{40}

(m

GarryVolchara [31]3 years ago
3 0
You want to find R. From angle R, you know the side lengths for opposite and hypotenuse. According to SohCahToa, that is sine. Sin (x) = Opposite / Hypotenuse = 2.5 / 5 = 0.5
Sine(x)=.5. To get x by itself divide both by the inverse of sine.
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