In a right-angled triangle, the side adjacent to a angle is cm. What is the length of the side opposite the angle, to decimal place?
Answer and explanation
Correct answer: C. 11.5 cm
- Step 1: Opposite and adjacent are linked by : .
- Step 2: Opposite cm.
Answer
11.5 cm.
Why not the others: 7.0 cm: This divides by instead of multiplying. 7.1 cm: This uses , which links the opposite side to the hypotenuse rather than the adjacent side. 5.5 cm: This uses , which links the adjacent side to the hypotenuse.
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