Question

In the figure given below check whether the two
triangles are congruent. If yes, calculate angle x.
​

Answer 1

Answer:

x = 65 degree

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Step-by-step explanation:

Triangles are congruent by SAS property.

ΔABC is congruent to ΔFDE

So

angle A = angle F

angle B = angle D

angle C = angle E

therefore angle E = 75 degree

we know that sum of all the angles if a triangle is 180 degree

so

40 + 75 + x = 180

115 + x = 180

x = 180-115

x = 65 degree