Q2 of 14 Page 137

Give any two real-life examples for congruent shapes.

There could be infinite number of examples but two real-life examples for congruent shapes are as follows:


(i) Cricket balls of same brand.


(ii) Biscuits in the same packet


More from this chapter

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1

Complete the following statements:

(a) Two line segments are congruent if _____.


(b) Among two congruent angles, one has a measure of 70o; the measure of the other angle is ________.


(c) When we write ∠A = ∠B we actually mean________.

 3

If ∆ABC ∆FED under the correspondence ABC FED, write all the corresponding congruent parts of the triangles.

4

If ∆DEF ∆BCA, write the part(s) of ∆BCA that correspond to:

(i) (ii) (iii) (iv)

1

Which congruence criterion do you use in the following?

(a) Given: AC=DF


AB=DF


BC=EF


∆ABC ∆DEF




(b) Given: ZX=R


RQ=ZY


∠PQR = ∠XYZ


∆PQR ∆XYZ




(c) ∠MLN = ∠FGH


∠NML = ∠GFH


ML=FG


∆LMN ∆GFH




(d) Given: EB=DB


AE=BC


∠A = ∠C=90o


∆ABC ∆CDB