The area of a right-angled triangle is 16. One of its legs is 4. Find the other leg

univerkov | February 7, 2021 | education

Let ABC be a right triangle
angle B – straight
AB = a = 4, BC = b
Streguolnika = 16

Streug = 1/2 * ab
16 = 1/2 * 4b
16 = 4b / 2
4b = 16 * 2
4b = 32
b = 32: 4
b = 8

Verification:
16 = 1/2 * (4 * 8)
16 = 1/2 * 32
16 = 32/2
16 = 16
means true

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