2 years ago

Find the area of a triangle with vertices (1, 5), (1, -2), (3,-2).

Mathematics

1 answer:

ollegr [7]2 years ago

3 0

Answer:

Step-by-step explanation:

A(3, - 2), B(1, 5), C(1, - 2)

ΔABC is right angled Δ

AC and BC are legs (cathetus)

$A_{ABC}$ = (AC)(BC) ÷ 2 = $\frac{2*7}{2}$ = 7 units²

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