jennibell7373 jennibell7373
  • 04-05-2018
  • Mathematics
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Please help me! Thanks in advance! Show work! Thank you so much!

Please help me Thanks in advance Show work Thank you so much class=

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choixongdong
choixongdong choixongdong
  • 04-05-2018
a) formua for the area of a trapezoid = 1/2(b1 + b2)(h)

b) b1 = top base = 5cm, b2 = bottom base = 10cm, h = height = 17cm

c)
A = 1/2(b1 + b2)(h)
A = 1/2(5 + 10)(17)
A = 127.5

answer
A = 127.5 cm^2
Answer Link
lironica
lironica lironica
  • 04-05-2018
1)Area of trapezoid = (sum of bases)*h/2 = =1/2 (a+b) *h

2)a&b are bases
h is the perpendicular height

3) 1/2 (5+10)*17 =127.5 cm²
Answer Link

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