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Ymorist [56]
3 years ago
12

In the triangle below, y = [ ? ] cm. Round to the nearest tenth. 15 cm 35 90°

Mathematics
1 answer:
irina [24]3 years ago
6 0

Answer:

y ≈ 12.3

Step-by-step explanation:

Using the SOH CAH TOA identity to get the value of y as shown;

sin theta = opposite/hypotenuse

opposite = y

hypotenuse = 15cm

theta = 180-(35+90)

theta = 180-125

theta = 55 degrees

sin 55 = y/15

y = 15sin55

y = 12.287

y ≈ 12.3 (to the nearest tenth)

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