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suter [353]
3 years ago
10

Special right triangles

Mathematics
2 answers:
fiasKO [112]3 years ago
8 0

Answer:

c

Step-by-step explanation:

Anarel [89]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Using the cosine ratio in the right triangle and the exact value

cos30° = \frac{\sqrt{3} }{2} , then

cos30° = \frac{adjacent}{hypotenuse} = \frac{AY}{RY} = \frac{AY}{48} = \frac{\sqrt{3} }{2} ( cross- multiply )

2AY = 48\sqrt{3} ( divide both sides by 2 )

AY = 24\sqrt{3} → D

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