the length of one of the diagnol of a rhombus is 5 cm less than the other diagnol . The area of the rhombus is 33 cm square . Find the length of each diagnol .
ANSWER = 6 CM and 11 CM
but explain step by step
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Where p and q are the diagonals of the rhombus. Let the length of one of the diagonals is x. Then the length of another diagonal is x-5. The area is 33 cm².
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The length of each diagonal is 11 cm and 6 cm.
Consider the provided information.
Area of rhombus is: A=
Where p and q are the diagonals of the rhombus.
Let the length of one of the diagonals is x.
Then the length of another diagonal is x-5.
The area is 33 cm².
Substitute the respective values in the above formula.
33=
x²-5x=66x²−5x=66
x²-5x-66=0x² −5x−66=0
x²-11x+6x-66=0x² −11x+6x−66=0
x(x-11)+6(x-11)=0x(x−11)+6(x−11)=0
(x-11)(x+6)=0(x−11)(x+6)=0
x=11\ or\ x=-6x=11 or x=−6
The value of length can't be a negative number.
Hence, the length of one diagonal is 11 cm.
The length of another diagonal is 5 less than 11.
11-5 = 6cm
Hence, the length of each diagonal is 11 cm and 6 cm.
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