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elixir [45]
3 years ago
7

Find Y Special right triangles Please last question of the day!! Due very soon

Mathematics
1 answer:
Nonamiya [84]3 years ago
5 0

Given:

A right triangle with angles 30, 60, 90 degrees.

Hypotenuse = 2\sqrt{2} mm.

Base = y

To find:

The value of y.

Solution:

In a right angle triangle,

\cos \theta = \dfrac{Base}{Hypotenuse}

\cos (60^\circ)= \dfrac{y}{2\sqrt{2}}

\dfrac{1}{2}=\dfrac{y}{2\sqrt{2}}

\dfrac{2\sqrt{2}}{2}=y

\sqrt{2}=y

Therefore, the value of y is \sqrt{2} mm.

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