Measure E is equal to?

Mathematics

2 answers:

Gennadij [26K]3 years ago

7 0

Answer:

114

Step-by-step explanation:

Since DE and EF are equal, DEF is an isosceles triangles.

In isosceles triangle, two angles are equal.

So,

∠F = ∠D = 33

Sum of interior angles in a triangles is 180,

∠D + ∠F + ∠E = 180

33 + 33 + ∠E = 180

∠E = 180 - 33 - 33

∠E = 114

Alborosie3 years ago

6 0

Answer:

E =114

Step-by-step explanation:

The two base angles are equal to 33 since it is an isoscles triangle. We know that because the two sides are equal. That means D and F are equal to 33. The sum of the angles of a triangle are 180.

D+E+F = 180

33+E +33=180

66+E = 180

E = 180-66

E =114

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