drbob222, math , algebra
posted by jasmine20 .
Can you recheck this hopefully this time i did it correctly.
Directions:
Crafts. Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 12m, and the area is 224m ^2, find the length of the other base.
My answer:
224 = 1/2h (B1 +B2)
224 = (1/2)16(20 + b2)
224 = 8(20 + b2)
224 = 160 + 8b2
160 160
64 = 8b2
 
8 8
8 = b2
My answer:
224 = 1/2h (B1 +B2)
224 = (1/2)16(20 + b2) Isn't b1 12 and not 20?
224 = 8(20 + b2)
224 = 160 + 8b2
160 160
64 = 8b2
 
8 8
8 = b2
Your math is ok and you came out with the correct answer IF B1 is 20 But the problem said 12. I found 16 for B2.
Sorry that was a typo. But is everything okay the format.
looks ok to me.
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