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CBSE Class 9 Answered

ABCD is a rhombus and R.Q.R and S are the mid-points of the sides of AB,BC,CA and DA respectively. Show that the quardilateral PQRS is a rectangle.
Asked by Jitendra | 26 Sep, 2017, 04:40: PM
answered-by-expert Expert Answer
Answered by Rashmi Khot | 26 Sep, 2017, 05:25: PM

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CBSE 9 - Maths
the line segment joining the midpoints of two sides of a triangle is parallel to the third side
Asked by vineetyadav77050 | 25 Jul, 2021, 05:45: PM
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CBSE 9 - Maths
Q. 7
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Asked by Rayeesa | 04 Jun, 2018, 09:58: PM
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CBSE 9 - Maths
M is the mid point of side PQ of a parallelogram PQRS. A line through Q parallel to PS meets SR at N and PS produced at L. Prove that (i) PL = 2QR (ii) QL = 2QN.
Asked by Topperlearning User | 11 Aug, 2017, 11:58: AM
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CBSE 9 - Maths
State the mid point Theorem.
Asked by Topperlearning User | 11 Aug, 2017, 12:01: PM
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CBSE 9 - Maths
Prove that the triangles formed by joining in pairs, the mid points of the three sides of a triangle are congruent to each other.
Asked by Topperlearning User | 11 Aug, 2017, 11:59: AM
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CBSE 9 - Maths
Prove that the line drawn through the mid point of one side of a triangle, parallel to another side, intersects the third side at its mid point.
Asked by Topperlearning User | 11 Aug, 2017, 12:00: PM
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CBSE 9 - Maths
In PQR, A, B and C are the mid points of QR, RP and PQ respectively. If the lengths of sides PQ, QR and RP are 7 cm, 8 cm and 9 cm respectively, find the perimeter of ABC. 
Asked by Topperlearning User | 11 Aug, 2017, 12:00: PM
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CBSE 9 - Maths
Prove that the triangle formed by joining the mid points of the sides of an isosceles triangle is an isosceles triangle.
Asked by Topperlearning User | 11 Aug, 2017, 11:52: AM
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CBSE 9 - Maths
In the figure, E is the mid-point of side AD of a trapezium ABCD with AB  CD. A line through E parallel to AB meets BC in F. Show that F is the mid point of BC.
Asked by Topperlearning User | 11 Aug, 2017, 11:56: AM
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CBSE 9 - Maths
M, N and P are the mid points of AB, AC and BC respectively. If MN = 3 cm, NP = 3.5 cm and MP = 2.5 cm. Calculate BC, AB and AC.
Asked by Topperlearning User | 11 Aug, 2017, 11:59: AM
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