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A triangle has angles measuring 30°, 60°, and 90°. If the shortest side is 5 cm,
Practice Questions
Q1
A triangle has angles measuring 30°, 60°, and 90°. If the shortest side is 5 cm, what is the area?
12.5 cm²
15 cm²
10 cm²
20 cm²
Questions & Step-by-Step Solutions
A triangle has angles measuring 30°, 60°, and 90°. If the shortest side is 5 cm, what is the area?
Steps
Concepts
Triangle Properties
– Understanding the properties of a 30-60-90 triangle, including the ratios of the sides.
Area Calculation
– Using the formula for the area of a triangle and understanding the roles of base and height.
Trigonometric Functions
– Applying sine to find the height of the triangle based on the angle measures.
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