Analyzing Triangles In Exercises 17–20, solve the triangle for the indicated side and/or angle.
To calculate: The indicated sides and angle in a provided triangle, which is shown below as:
Given Information:
The provided triangle is shown below as:
Formula used:
In equilateral triangle, each angle is
Here,
From Pythagoras theorem, write the relationship among each side for right triangle.
Here,
Draw the diagram for a right triangle.
Calculation:
Draw the diagram of provided triangle.
From above diagram of provided triangle, one angle is given as
That is why, provided triangle is an equilateral triangle. Therefore, unknown angle
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