You have to find the average of 38 and 42 (witch is 40) and then set it to a ratio of 40:100 multiply both sides by 8.5 and we get 340
- Base = 16.9 ft
- Height = 10.4 ft
- We know,

- Therefore, area of the triangle

<u>Answer</u><u>:</u>
The area of the triangle is 87.88 square feet.
Hope you could get an idea from here.
Doubt clarification - use comment section.
Answer:
<em>octagon</em>
<em>is </em><em>the</em><em> correct</em><em> answer</em><em> of</em><em> </em><em>this</em><em> </em><em>question</em>
<em>it </em><em>has </em><em>eight</em><em> </em><em>side</em>
<em>hope</em><em> it</em><em> helps</em>
Answer:
Addition and subtraction are inverse operations. Start with 7, then add 3 we get 10, now subtract 3 and we get back to 7.
Another Example: Multiplication and division are inverse operations. Start with 6, multiply by 2 we get 12, now divide by 2 and we get back to 6.