Given a triangle ABC – right angle A is 90 degrees, angle C is 30 degrees less than angle B. Find angle B and C.
| November 22, 2020 | education
The sum of all angles in a triangle is 180 degrees,
the sum of the angles B and C is 90 degrees.
Let the angle C = x, then B = x + 20.
Let’s make the equation:
x + x + 20 = 90,
2x = 70
x = 35
Answer: angle C = 35, angle B = 55
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