Question 11 Mark
Take some round bowls and plates. Place their edges one upon the other to find pairs of congruent edges.
Answer
View full question & answer→SELF
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Question 21 Mark
Find congruent circles in your surroundings.
Answer
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Question 31 Mark
Get bangles of different sizes but equal thickness and find the congruent ones among them.
Answer
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Question 41 Mark
Take a rectangular paper. Place two opposite sides upon each Other. What do you observe?
Answer
View full question & answer→Opposite sides of the rectangular paper coincide and hence are congruent.
Question 51 Mark
From the shape shown below, write the names of the pairs of congruent line segments.
i. seg AB ≅ seg DC
ii. seg AE ≅ seg BH
iii. seg EF ≅ seg ___
iv. seg DF ≅ seg ___
i. seg AB ≅ seg DC
ii. seg AE ≅ seg BH
iii. seg EF ≅ seg ___
iv. seg DF ≅ seg ___
Answer
View full question & answer→seg EF ≅ seg AD ≅ seg BC ≅ seg HG
seg DF ≅ seg CG ≅ seg AE ≅ seg BH
seg DF ≅ seg CG ≅ seg AE ≅ seg BH
Question 61 Mark
Using the ruler, measure the lengths of seg AB and seg PQ. Are they of same length? Trace the seg AB on a sheet of transparent paper. Now place this new segment on PQ verify that if point A is placed on point P, then B falls on Q.
l(AB) = ___
l(PQ) = ___
Answer
View full question & answer→l(AB) = 4 cm
l(PQ) = 4 cm
Since the length of two segments is the same, if placed on one another, they will coincide.
l(PQ) = 4 cm
Since the length of two segments is the same, if placed on one another, they will coincide.
Question 71 Mark
Can a triangle be drawn if the three angles are given, but not any side? How many such triangles can be drawn?
Answer
View full question & answer→Yes a triangle can be drawn.
Since the length of side is not given, any length of side can be selected and then triangle can be constructed. We will get different triangles for different length of sides.
Since the length of side is not given, any length of side can be selected and then triangle can be constructed. We will get different triangles for different length of sides.