brandonk131
brandonk131 brandonk131
  • 25-09-2019
  • Mathematics
contestada

What is the area of the shaded region?
21 mm
24 mm
42 mm
48mm

What is the area of the shaded region 21 mm 24 mm 42 mm 48mm class=

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SupaPreme
SupaPreme SupaPreme
  • 25-09-2019
It’s 21.

For the height it’s 6+4+2 = 12
Area of complete triangle is 1/2(b)(h):

(1/2)(12)(5) = 30

Area of small triangle:
(1/2)(4)(3) = 9

30 - 21 = 9
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