Find the area of a right-angled triangle with legs 20mm and 55mm.
| March 27, 2021 | education
Given: abc – right triangle;
a, b – legs;
a = 20 mm, b = 55 mm;
Find: Sabc -? mm ^ 2.
The area of a right-angled triangle is found by the formula:
Spr.tr. = 1/2 a * b.
Thus, the area of a given right-angled triangle is:
Sabc = 1/2 * 20 * 55 = 550 (mm ^ 2).
Answer: The area of the triangle is 550 mm ^ 2.
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