Q-1.
It is given the triangle ABC=triangle FDE and AB=4 cm, angle B = 40° and angle E = 60°,
then which of the following is true.
(A) DE = 4 cm, angle A=80°
(B) DE = 4 cm, angle C=80
(C) DE=4 cm, angle A=80°
(D) DF = 4 cm, angle C=80°
Answers
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Answer:
(B) is the correct answer
Step-by-step explanation:
Two triangles are congruent if their corresponding sides are equal in length and their corresponding angles are equal in size.
In the first option, DF=5 cm but ∠F is not equal to 60 degree
In the third and the fourth options, the length of DE is not equal to 5cm, since it is not defined.
In the second option, DF=5cm and ∠E=60 is satisfied.
hope it helps you.....
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