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Is the following statement true? Why? "Two quadrilaterals are similar, if their corresponding angles are equal".

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Two quadrilaterals are similar, if their corresponding angles are equal and corresponding sides must also be proportional.
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Two triangles are similar if their corresponding sides are ………….

Write the truth value (T/F) of each of the following statements: Two polygons are similar if their corresponding angles are proportional. Two triangles are similar if their corresponding sides are proportional.(iii) Two triangles are similar if their corresponding angles are proportional.

Two parallel lines are cut by a transversal, then which of the following are true? 1. Pair of alternate interior angles are equal. 2. Pair of corresponding angles are equal. 3. Pair of interior angles on the same side of the transversal are supplementary

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Two parallel lines are cut by a transversal , then which of the following are true ? 1. Pair of alternate interior angles are equal. 2. Pair of corresponding angles are equal 3. Pair of interior angles on the same side of the transversal are supplementary.

State whether the following quadrilaterals are similar or not:

State whether the following quadrilaterals are similar or not:

Two polygons of the same number of sides are similar, if their corresponding angles are …………….. . (equal, proportional)

Consider the following statements : Two triangles are said to be congruent, if 1. Three angles of one triangle are equal to the corresponding three angles of the other triangle. 2. Three sides of one triangle are equal to the corresponding three sides of the other triangle, 3. Two sides and the included angle of one triangle are equal to the corresponding two sides and the included angle of the other triangle. 4. Two angles and the included side of one triangle are equal to the corresponding two angles and the included side of the other triangle. Which of the above statements are correct ?

Condier the following statement if a transversal line cuts two parallel line then 1 Each pair of corresponding angles are equal 2 Each pair of alternalte angles are unequal Among these true statements are

NCERT EXEMPLAR-TRIANGLES-Triangles
  1. In figure BD and CE intersect each other at the point P. IsDeltaPBC~De...

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  2. In DeltaPQR and DeltaMST, angleP=55^(@),angleQ=25^(@),angleM=100^(@)an...

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  3. Is the following statement true? Why? "Two quadrilaterals are similar,...

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  4. Two sides and the perimeter of one triangle are respectively three tim...

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  5. If in two right triangles, one of the acute angles of one triangle is ...

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  6. The ratio of the corresponding altitudes of two similar triangles is 3...

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  7. D is a point on side QR of DeltaPQR such that PDbotQR. Will it be corr...

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  8. In figure, if angleD=angleC, then it is true that DeltaADE~DeltaACB? W...

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  9. Is it true to say that, if in two triangles, an angle of one triangle ...

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  10. In P Q R ,\ \ Q M|P R and PR^2-P Q^2=Q R^2.Prove that Q M^2=P MxxM R

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  11. Find the value of x for which DEabs()AB in given figure.

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  12. In figure, if angle1=angle2 and DeltaNSQ=DeltaMTR, then prove that Del...

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  13. Diagonals of a trapezium PQRS intersect each other at the point 0 ,PQa...

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  14. In figure , if ABabs()DC and AC, PQ intersect each other at the point ...

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  15. Find the altitude of an equilateral triangle of side 8 cm.

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  16. If DeltaABC~DeltaDEF, AB=4cm, DE=6,EF=9 cm and FD=12 cm, then find the...

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  17. In figure, if DEabs()BC, then find the ratio of ar (DeltaADE) and ar(D...

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  18. ABCD is a trapezium in which ABabs()DC and P,Q are points on AD and BC...

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  19. Corresponding sides of two triangles are in the ratio 2\ :3 . If th...

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  20. In a Delta PQR, N is a point on PR, such that QNbotPR. If PNcdotNR=QN^...

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