The area of the rectangular sheet is 500cm square. If the length of the sheet is 25cm, what is its width? Also find the perimete
2 answers:
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Answer:
B
Step-by-step explanation:
Let the base of the triangle be <em>b</em> and the height be <em>h</em>.
The sum of the base and height is 14. Thus:
Recall that the area of a triangle is given by:
From the first equation, solve for either variable:
Substitute:
Distribute:
Distribute:
Let <em>b</em> = <em>x</em>. Hence:
Therefore, our answer is B.