Question

Area of triangle formed by (-4,0),(0,0) and (0,5) is​

Answer 1

Answer:

10 sq.units

Step-by-step explanation:

we know, are of triangle = $(1/2) [x_1 (y_2 - y_3 ) + x_2 (y_3 - y_1 ) + x_3(y_1 - y_2)]$

here,

$x_1 = -4, x_2 = 0, x_3 = 0,y_1 = 0, y_2 = 0, y_3 = 5$

putting the values in the formula,

Area = $(1/2)[-4(0-5) + 0(5-0) + 0(0-0)$

Area = $\frac{-4\cdot-5}{2} = 20/2 = 10$

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