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Olenka [21]
3 years ago
10

The picture shows a triangular island:

Mathematics
2 answers:
Verizon [17]3 years ago
7 0

Answer:

y over cos 50 degrees

Step-by-step explanation:

GIVEN : A Right Angled Triangle with sides x,y,z with base angle 50°

            BASE = y

            HYPOTENUSE = z

To Find: expression shows the value of z

We will use trigonometric ratios

Since we know

cosine or cosθ = Base/ Hypotenuse (equation 1)

In the given figure we can see hypotenuse is z and base is y and θ = 50°

Putting values in equation 1 we get :

cos 50° = \frac{y}{z}

⇒z = \frac{y}{cos 50}

so z= y over cos50°




Rus_ich [418]3 years ago
6 0
The answer is z = y over cos 50 degrees
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