CBSE /Class 9
Maths MCQ Based On Properties of parallelogram
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CBSE Class 9 Maths Properties of parallelogram
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ABCD is a square then
AB=BC ......(i)
BQ= CR ......(ii) [Given]
Subtarct equation (i) and (ii) , we get
AQ = BR
Now look at \\(\\bigtriangleup PAQ and \\bigtriangleup RBQ\\) they both will be Congruent [ Prove how?]
Then , PQ = QR
In\\(\\bigtriangleup PQR\\)
\\(\\angle PQR = \\angle QRP \\) [Why]
Solve traingle PQR to get the answer
Draw the parallelogram and find the triangles
the sum of angles of a quadrilateral is 360º.
ABCD is a square then
AB=BC ......(i)
BQ= CR ......(ii) [Given]
Subtarct equation (i) and (ii) , we get
AQ = BR
Now look at \\(\\bigtriangleup PAQ and \\bigtriangleup RBQ\\) they both will be Congruent [ Prove how?]
Then , PQ = QR
In\\(\\bigtriangleup PQR\\)
\\(\\angle PQR = \\angle QRP \\) [Why]
Solve traingle PQR to get the answer
ABCD is a square then
AB=BC ......(i)
BQ= CR ......(ii) [Given]
Subtarct equation (i) and (ii) , we get
AQ = BR
Now look at \\(\\bigtriangleup PAQ and \\bigtriangleup RBQ\\) they both will be Congruent [ Prove how?]
Then , PQ = QR
In\\(\\bigtriangleup PQR\\)
\\(\\angle PQR = \\angle QRP \\) [Why]
Solve traingle PQR to get the answer
ABCD is a square then
AB=BC ......(i)
BQ= CR ......(ii) [Given]
Subtarct equation (i) and (ii) , we get
AQ = BR
Now look at \\(\\bigtriangleup PAQ and \\bigtriangleup RBQ\\) they both will be Congruent [ Prove how?]
Then , PQ = QR
In\\(\\bigtriangleup PQR\\)
\\(\\angle PQR = \\angle QRP \\) [Why]
Solve traingle PQR to get the answer
What do you know about parallelograms?
ABCD is a square then
AB=BC ......(i)
BQ= CR ......(ii) [Given]
Subtarct equation (i) and (ii) , we get
AQ = BR
Now look at \\(\\bigtriangleup PAQ and \\bigtriangleup RBQ\\) they both will be Congruent [ Prove how?]
Then , PQ = QR
In\\(\\bigtriangleup PQR\\)
\\(\\angle PQR = \\angle QRP \\) [Why]
Solve traingle PQR to get the answer
2x+4x+5x+7x = \\(360^{\\circ}\\)
Recall what you know about the angles of a parallelogram.
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