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CBSE Class 9 Answered

The area of rhombus is 72 cm2. If an altitude of the rhombus is half of the corresponding base,determine the measure of each side of the rhombus.
Asked by singhaivk05 | 11 Mar, 2015, 08:37: PM
answered-by-expert Expert Answer
L e t space t h e space a l t i t u d e space o f space t h e space r h o m b u s space b e space apostrophe h apostrophe B a s e space o f space t h e space r h o m b u s space equals space 2 h A r e a space o f space t h e space u p p e r space t r i a n g l e space equals space 1 half cross times h cross times 2 h A r e a space o f space r h o m b u s space equals space 72 2 cross times 1 half cross times h cross times 2 h equals 72 2 h squared equals 72 h squared equals 36 h equals 6 M e a s u r e space o f space t h e space s i d e space o f space t h e space r h o m b u s equals space m e a s u r e space o f space t h e space b a s e space equals 2 h equals 2 cross times 6 equals 12 space c m
Answered by Prasenjit Paul | 12 Mar, 2015, 11:25: AM

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CBSE 9 - Maths
each side of square field ABCD is 50 m long, length of diagonal field is (route 2 =1.414
Asked by jahnavinehra | 03 Jul, 2022, 11:19: AM
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CBSE 9 - Maths
diagonal AC of a parallelogram ABCD bisects ∆A . i . it biseets ∆C also ii . ABCD is a rhombus
Asked by sanskritiraghudev | 19 Feb, 2022, 09:38: AM
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CBSE 9 - Maths
Why is'nt the angle sum property true for a concave quadrilateral even when we can divide it into two triangles
Asked by katariayash1212 | 16 Jan, 2020, 07:06: PM
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CBSE 9 - Maths
what is quadrilaterals  
Asked by deepakrim74 | 09 Mar, 2019, 08:08: PM
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CBSE 9 - Maths
Why is the angle sum property not applicable to concave quadrilateral?(please explain briefly and if possible with proof and example) Thank you.
Asked by hk.sachdev | 09 Jan, 2019, 08:56: PM
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CBSE 9 - Maths
In a quadrilateral ABCD, the line segments bisecting C and D meet at E. Prove that A + B = 2 CED.
Asked by Topperlearning User | 16 Aug, 2017, 02:17: PM
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CBSE 9 - Maths
In the given figure, PQRS is a quadrilateral in which PQ is the longest side and RS is the shortest side. Prove that R > P.
Asked by Topperlearning User | 16 Aug, 2017, 02:17: PM
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CBSE 9 - Maths
The angles of a quadrilateral are in the ratio 3: 5: 9: 13. Find all the angles of the quadrilateral.
Asked by Topperlearning User | 16 Aug, 2017, 02:25: PM
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CBSE 9 - Maths
In the given figure, LMNQ is a parallelogram in which L = 75o and QMN = 60o. Find NQM and LQM.
Asked by Topperlearning User | 16 Aug, 2017, 02:19: PM
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CBSE 9 - Maths
In the figure, PQRS is a trapezium in which PQ  SR. if P = 55o and Q = 70o, find R andS.
Asked by Topperlearning User | 16 Aug, 2017, 02:24: PM
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