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Viktor [21]
3 years ago
15

You are building a shelf that fits in a corner in the figure the entire shelf is XYZ each unit in the coordinate plane represent

s one inch find the area a of the shelf X is (15,20) Z is (0,5) Y is (15,5)
Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer:

Area = 112.5

Step-by-step explanation:

Given

X = (15,20)

Y = (15,5)

Z = (0,5)

Required

Determine the area of the triangle

The area is calculated using the following formula:

Area = |\frac{X_x(Y_y - Z_y) + Y_x(X_y - Z_y) + Z_x(X_y - Y_y)}{2}|

Where

(X_x,X_y) = (15,20)

(Y_x,Y_y) = (15,5)

(Z_x,Z_y)= (0,5)

Substitute right values in the given formula:

Area = |\frac{15(5 -5) + 15(20 - 5) + 0(20 - 5)}{2}|

Area = |\frac{15(0) + 15(15) + 0(15)}{2}|

Area = |\frac{0 + 225 + 0}{2}|

Area = |\frac{225}{2}|

Area = |112.5|

Area = 112.5

<em>Hence, the area of the triangle is 112.5</em>

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