anonymous
  • anonymous
Help ill fan and reward! (: thanks!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. Calculate the area of the isosceles trapezoid.
anonymous
  • anonymous
|dw:1434046250486:dw|This is it (:
anonymous
  • anonymous
I believe the answer is 112 but i need to be sure of it.

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More answers

Vocaloid
  • Vocaloid
hm, not quite, can you show me your math?
anonymous
  • anonymous
@Vocaloid
anonymous
  • anonymous
its multiple choice here are the answers 112 ft2 128 ft2 132 ft2 144 ft2
Vocaloid
  • Vocaloid
can you show me how you got the answer 112?
Vocaloid
  • Vocaloid
i want to make sure you aren't just guessing, ok? :)
Mahmood786123
  • Mahmood786123
1. do base times hight which is 8 times 18 2. you have your answer I think thats how you do it
anonymous
  • anonymous
ok @Vocaloid
Vocaloid
  • Vocaloid
previous answer is incorrect
anonymous
  • anonymous
thanks @Mahmood786123
Vocaloid
  • Vocaloid
Mahmood's answer is incorrect, please show me how you got your answer
Mahmood786123
  • Mahmood786123
but you see what @Vocaloid has to say
anonymous
  • anonymous
i will
Mahmood786123
  • Mahmood786123
base times hight 8 times 18 144
Mahmood786123
  • Mahmood786123
thats what my school taught me how to do it
Vocaloid
  • Vocaloid
nope, this is a trapezoid, not a rectangle to find the area of the trapezoid, use the formula A = height*(base1+base2)/2
Mahmood786123
  • Mahmood786123
oops wrong formula
anonymous
  • anonymous
i did 18 x 8
anonymous
  • anonymous
144
Vocaloid
  • Vocaloid
not quite, that would be a rectangle, not a trapezoid
Vocaloid
  • Vocaloid
to find the area of a trapezoid: take the top part (14), add the bottom part (18), then divide by 2 then multiply by the height (8)
anonymous
  • anonymous
184
Vocaloid
  • Vocaloid
not quite... let's break it down step by step: what is (14+18)/2?
anonymous
  • anonymous
16
Vocaloid
  • Vocaloid
great, so what is 16*8?
anonymous
  • anonymous
128
Vocaloid
  • Vocaloid
excellent! that's the area of the trapezoid! remember: to find the area of a trapezoid, add the two bases together, divide by 2, then multiply by the height
anonymous
  • anonymous
(: thank you so much
anonymous
  • anonymous
can you help with more?
Vocaloid
  • Vocaloid
I guess, sure
anonymous
  • anonymous
ok im going to make new question so i can give you more medals if you help
Vocaloid
  • Vocaloid
sure, just tag me when you're done
anonymous
  • anonymous
i will

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