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Side of rhombus is 5cm and sum of lengths of diagonals is
12cm. what is the area of rhombus?

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Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

area of a rhomgus is 1/2 d1*d2; it's given d1+d2 = 12
(d1+d2)^2=d1^2 + d2^2 + 2*d1*d2
since diagonals are perpendicular to each other
(d1^2 + d2^2)/4 = 5^2 = 25

therefore, (d1+d2)^2 = 100 + 2d1d2;
which gives d1d2 = 22
so area = 11 cm sq

 Is This Answer Correct ? 9 Yes 3 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

side of rhombus,a=5cm
diagonals=d1,d2
area,A=1/2(d1d2)
a^2=(d1^2+d2^2)/4=25
d1+d2=12
on squaring the above equation, we get
d1^2+d2^2+2(d1d2)=144
100+2(2A)=144
4A=44
A=11
area=11

 Is This Answer Correct ? 1 Yes 0 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

11 sq cm

 Is This Answer Correct ? 4 Yes 4 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

Area of rhombus when you know the length of the diagonals
is half the product of the diagonals

Therefore area=(d1d2)/2

where d1 is the length of the first diagonal whereas d2 is
the length of the other diagonal

sum of diagonals =12. so length of each is 6

area=(6*6)/2=36/2=18sq.cm

 Is This Answer Correct ? 3 Yes 3 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

11 sq cm.

 Is This Answer Correct ? 3 Yes 5 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

Area of the rhombus is 4 a square. so it is 100cm

 Is This Answer Correct ? 2 Yes 4 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

72 cm sq.

 Is This Answer Correct ? 2 Yes 4 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

area of rhombus is 1/2d(l1+l2)
1/2*5*12=30sq.

 Is This Answer Correct ? 2 Yes 5 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

18 cm

 Is This Answer Correct ? 7 Yes 11 No

Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?..

area of rhombus is 1/2d(l1+l2)
1/2*5*12=30sq.

 Is This Answer Correct ? 1 Yes 7 No

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