find the perimeter and area of the rectangle of which is diagonal has 25 m and the difference of the two adjacent side is 5 M
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Answer:
Perimeter = 70 m
Area = 300 m²
Step-by-step explanation:
Lets assume one side = x
then other = x+5
Diagonal = 25
Diagonal² = x² + (x+5)²
25² = x² + (x+5)²
solving
x²+ 5x -300 = 0
(x+20)(x-15) = 0
so x = 15 as x can not be negative
One side = 15
Another side = 15 + 5 = 20
Area = 15 * 20 = 300 m²
Perimeter = 2*(15+20) = 70 m
amitnrw:
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find the perimeter and area of the rectangle of which is diagonal has 25 m and the difference of the two adjacent side is 5 M
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