Find the leg of a right-angled triangle abc if the other leg is 8 and the area is 20.

univerkov | December 21, 2020 | education

Because ABC is a right-angled triangle, then
area ABC = 1/2 * AC * BC
To find the AC, we substitute numerical values into the formula:
20 = 1/2 * 8 * AC
20 = 4AC
AC = 20: 4
AC = 5 cm
Answer: 5 cm

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