In triangle ABC, angle C is straight, BC = 8, sin A = 0.4. Find AB.
| May 20, 2021 | education
In a right-angled triangle, the sine of its acute angle is the ratio of the length of the opposite leg to the length of the hypotenuse.
SinBAC = BC / AB.
AB = BC / SinBAC = 8 / 0.4 = 20 cm.
Answer: The length of the hypotenuse AB is 20 cm.
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