Skip to content
Philoid
Browse Saved
Back to chapter
Mathematics
10. Congruent Triangles
Home · Class 9 · Mathematics · Ref. Book · 10. Congruent Triangles
Prev
Next
Q13 of 76 Page 11

If ABC and DEF are two triangles such that Δ ABC≅ Δ FDE and AB =5 cm, ∠B = 40° and ∠A =80°, Then, which of the following is true?

In ABC,

∠A + ∠B + ∠C= 180


80° + 40°+ ∠C = 180°


∠C = 60°


Now, by c.p.c.t


AB = DF = 5cm


And


∠C = ∠E = 60°

More from this chapter

All 76 →
11

Which of the following is not criterion for congruence of triangles?

12

In Fig. 10.135, the measure of ∠B’AC’ is

14

In Fig. 10.136, AB ⊥ BE and FE ⊥ BE. If BC=DE and AB=EF, then Δ ABD is congruent to

18

ABC, is an isosceles triangle such that AB=AC and AD is the median to base BC. Then, ∠BAD=

Questions · 76
10. Congruent Triangles
1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 18 16 17 18 19 20
Back to chapter
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved