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spidergirl51
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Charles has been asked to insert a trapezoid in the floor tiling of the rotunda of the courthouse. One base must be 8 feet and the height must be 10 feet. Write an equation for the area.
 2 years ago
 2 years ago
spidergirl51 Group Title
Charles has been asked to insert a trapezoid in the floor tiling of the rotunda of the courthouse. One base must be 8 feet and the height must be 10 feet. Write an equation for the area.
 2 years ago
 2 years ago

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spidergirl51 Group TitleBest ResponseYou've already chosen the best response.0
algebra 1 equations
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
http://www.mathopenref.com/trapezoidarea.html
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
so, area = (8 feet + x feet / 2) * 10
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
\[a=(\frac{ 8+x }{ 2 }) * 10\]
 2 years ago

spidergirl51 Group TitleBest ResponseYou've already chosen the best response.0
If Charles wants the area of the trapezoid to be 65 square feet, what should be the measure of the second base?
 2 years ago

spidergirl51 Group TitleBest ResponseYou've already chosen the best response.0
u there?
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
just plug 65 into a, sorry I was AFK
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
\[65 = ((8+x)/2)∗10\]
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
x will be the second side
 2 years ago

spidergirl51 Group TitleBest ResponseYou've already chosen the best response.0
so idk what to do first
 2 years ago

spidergirl51 Group TitleBest ResponseYou've already chosen the best response.0
so whats the first step
 2 years ago

gallaxhar Group TitleBest ResponseYou've already chosen the best response.1
Solve for x: 65 = 5 (8+x) Divide both sides by a constant to simplify the equation. Divide both sides of 65 = 5 (8+x) by 5: 8+x = 65/5 Use long division to simplify 65/5. 5  1  3  6  5   5   1  5   1  5   0: 8+x = 13 Isolate terms with x to the left hand side. Subtract 8 from both sides: x+(88) = 138 Look for two terms that sum to zero. 88 = 0: x = 138 Evaluate 138. 138 = 5: Answer: x = 5
 2 years ago
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