the ratio of two diagonals of rhombus of 2:3 if its area is 300sqcm find its two diagonals
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1
Answer:
1/2*2x*3x =3x^2 =300
or x^2 =300/3=100
or x=10
or diagonals are 20 and 30 cm
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Answered by
51
Answer:
The length of both the diagonals of a rhombus are 20 cm and 30 cm respectively.
Step-by-step explanation:
Given:
- The ratio of two diagonals of a rhombus is 2:3.
- Area of a rhombus = 300 cm²
To find:
- Its two diagonals.
Solution:
Let the two diagonals of rhombus are 2x and 3x respectively.
( As the ratio of two diagonals of a rhombus is 2:3 ).
✰ Area of a rhombus = 1/2 × the product of both the diagonals
Putting the values in the formula, we have:
- 300 = 1/2 × 2x × 3x
- 300 = 1/2 × 6x²
- 300 × 2 = 6x²
- 600 = 6x²
- x² = 600/6
- x² = 100
- x = √100
- x = 10
Now, find out both the diagonals.
- First diagonal = 2x
- First diagonal = 2 × 10
- First diagonal = 20 cm
- Second diagonal = 3x
- Second diagonal = 3 × 10
- Second diagonal = 30 cm
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