In triangle ABC, the angle is C = 60 degrees, B = 90 degrees. The height of BB1 is 2 cm. What is side AB?
| November 22, 2020 | education
The sum of the angles of a triangle = 180 => A = 30 degrees In a right-angled triangle (in our case ABB1, with a right angle B1) opposite an angle of 30 degrees lies a side equal to half the hypotenuse. In our triangle, the hypotenuse is the desired side AB. AB = 2 * 2 = 4.
Answer: AB = 4
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