naynaysnewcastle naynaysnewcastle
  • 17-02-2019
  • Mathematics
contestada

a trapezoid has an area of 114.5 square feet. One base is7.9 feet long. The height measures 10 feet .what is the length the other base​

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nmesomachinwagwu
nmesomachinwagwu nmesomachinwagwu
  • 19-02-2019

Answer:

the base is 15 feet

Step-by-step explanation:

A= 1/2(l+b)h

114.5= 1/2(7.9+b) 10

114.5* 2= 79+10b

229=79+10b

229-79=10b

150=`10b

15=b

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