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surface area of a triangle is 1/2 x base x height.
1/2 x 10 x 12 = 60 square inches.
there are 4 triangular sides: 60 x 4 = 240 square inches
area of the base = 10 x 10 = 100 square inches
total surface area = 240 + 100 = 340 square inches
answer: 340 square inches
Answer:
1 radian has degree measure (180/)°. Likewise, and angle of size 1° has radian measure /180. We can now easily obtain a formula to convert from degrees to radians and vice-versa.
