Asked by HELP ME
The formula for the area of a trapezoid is
A =
h(B + b)
2
.
The area of the truss is 20 square feet. Find the height of the truss if the shorter base is the same as the height h.
A =
h(B + b)
2
.
The area of the truss is 20 square feet. Find the height of the truss if the shorter base is the same as the height h.
Answers
Answered by
bobpursley
so
20=1/2 *h(h+B)
cant be solved without the longer base given.
20=1/2 *h(h+B)
cant be solved without the longer base given.
Answered by
HELP ME
sorry the longer base is 18
Answered by
bobpursley
Then put 18 in for B, and solve. Note it is quadratic equation, put it in standard form
ax^2 + bx +c=0
and use the quadratic equation
ax^2 + bx +c=0
and use the quadratic equation
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