Mathematics for IGCSE & O level - Mensuration (Section 2 - No. 38)
If a triangle has a base of 10 inches and an area of 20 square inches, what is its height?
1 inch
2 inches
4 inches
8 inches
설명
Area = 1/2 * base * height => 20 = 0.5 * 10 * h => 20 = 5h => h = 4.