The height of a triangle is 1.9 cm and the bottom is 4 cm. What is the area of a triangle?

Professional teachers answer for you. (knowledge is power!)
The area of the triangle is base * height divided by 2
Substituting relevant data, 4 × 1.9 △ 2 = 3.8cm & # 178;
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The bottom of a triangle is 12 cm, the height is 3 / 4 of the lower. What is the area of the triangle

The height is 12 * 3 / 4 = 9 cm
Area 12 * 9 / 2 = 54 square centimeter

The area of the triangle is 27 square centimeters. The length of the bottom is 45 centimeters. What's the height of the triangle?

A: the height of a triangle is 57 cm

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