Simplify the ratios 15:35:40
1 answer:
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Answer:
a+b/2*h
Here,
a = 12xcm
b= 15xcm
h= 7cm
(12+15)xcm/2*7
=27xcm*3.5
<h2>=94.5x cm²</h2>
Answer:
Part a)
Part b) The expression that represent the cost of fencing the field is
Part c)
Step-by-step explanation:
<u>The complete question in the attached figure</u>
Part a) we know that
The perimeter of the rectangular field (excluding the width of the gate) is equal to
we have
substitute the given values
Part b) we know that
To find out the cost of fencing the field (excluding the gate) , multiply the perimeter by the cost of $28 per yard
so
Part c) we have
h=5
substitute the value of h in the expression of the cost
