3 years ago

Given the known sides, solve for y

Mathematics

1 answer:

PtichkaEL [24]3 years ago

7 0

Answer:

We conclude that:

m∠y = 70.53°

Step-by-step explanation:

From the given right-angled triangle,

Hypotenuse is 15

The angle is ∠y

The adjacent to angle ∠y is 5

Using the trigonometric ratio,

cos y = adjacent / hypotenuse

substituting adjacent = 5, hypotenuse = 15

cos y = 5/15

cos y = 1/3

y = arc cos (1/3)

y = 70.53°

Therefore, we conclude that:

m∠y = 70.53°

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