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11. Similarity
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Q7 of 56 Page 135

If in ΔABC and ΔDEF ∠A = 50°, ∠B = 70°, ∠C = 60°, ∠D = 60°, ∠E = 70° and ∠F = 50° then the correct of the following is:

For similar triangles, the corresponding angles should be equal. Thus, the order of equal corresponding angles are angles A,B,C & angles F,E,D. So, ΔABC ~ ΔFED

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5

The areas of two similar triangles are respectively 25 cm2 and 36 cm2. If the median of the smaller triangle is 10 cm, then the corresponding median of the larger triangle will be:

6

In a trapezium ABCD, AB || CD and its diagonals meet at point O. If AB = 6 cm and DC = 3 cm then the ratio of the areas of ΔAOB and ΔCOD will be:

8

If ΔABC ~ ΔDEF and AB = 10 cm, DE = 8 cm then the ratio of area of ΔABC and area of ΔDEF will be:

9

D and E are points on sides AB and AC of triangle ABC such that DE || BC and AD = 8 cm, AB = 12 cm and AE = 12 cm. Then the measure of CE will be:

Questions · 56
11. Similarity
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