abrahammorris
abrahammorris
29-12-2017
Mathematics
contestada
What is the area of the figure:
Respuesta :
choixongdong
choixongdong
29-12-2017
A
45 45 90 triangle
so a = b
a^2 + b^2 =
c^2
a^2 + a^2
= c^2
2a^2
= c^2
2a^2
= 24^2
2a^2 = 576
a^2 = 288
a = 12
√2
b = a = 12√2
Area of triangle:
= 1/2 (
12√2)(12√2)
= 1/2(288)
= 144
answer
Area = 144 ft^2
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