3 years ago

Triangle DEF is an isosceles triangle.

Mathematics

1 answer:

sergiy2304 [10]3 years ago

8 0

Answer:

<E = 154°

Step-by-step explanation:

As we can see it is an isosceles triangle so

base angles are equal Then

13° + 13° + < E = 180° < Being sum of angles of triangle >

<E = 180° - 13° - 13°

Therefore <E = 154°

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