Seudónimo Seudónimo
  • 21-04-2022
  • Mathematics
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Pls help math test due soon

Pls help math test due soon class=
Pls help math test due soon class=
Pls help math test due soon class=

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Аноним Аноним
  • 21-04-2022

Problem 23

Triangles: A = bh/2

A = (6)(4)/2 = 24/2

12 ft²

Rectangles:  A = bh

A = (8)(5)

40 ft²

Total SA =  2 triangles + 3 rectangles

Total SA = (2 · 12) + (3 · 40)

Total SA = 24 + 120 = 144 ft²

Problem 24

0.07(total) = $9.45

total = 9.45 ÷ 0.07

total = $135

Problem 12

Trapezoid: A = (a + b) · h/2

A = [(9 + 21) · 12]/2

A = (30·12)/2 = 360/2

180 ft²

Triangle: A = bh/2

A = (8)(21)/2 = 168/2

84 ft²

Total area: 180 + 84 = 264 ft²

Hope this helps and God bless!

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