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Alexus [3.1K]
3 years ago
12

The base of the isosceles triangle is parallel to x -axis and has

Mathematics
1 answer:
MrMuchimi3 years ago
3 0

Answer:

36 square units

Step-by-step explanation:

y = x(10-x)

This is a down-opening parabola with axis of symmetry x = 5

Vertex of triangle (5,0)

Base of triangle is the horizontal chord of length 8, endpoints x = (1,9) and (9,9).

Height of triangle = 9

Area of triangle = ½·8·9 = 36 square units

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