Respuesta :

Answer:

a. Right triangle

b. Isosceles

c. Equilateral

d. Scalene

Step-by-step explanation:

a. ∆ABE has a right angle and 3 unequal sides, so therefore it can be classified as a right triangle.

b. In ∆BEC, side BE = 7

Side CE = FE + FC = 5 + 2 = 7

This means that ∆BEC has tow equal sides. Therefore, ∆BEC is classified as an isosceles triangle.

c. ∆DEF has 3 equal sides. Therefore it is classified as an equilateral triangle.

d. ∆CDF has 3 unequal sides. Therefore, it is a scalene triangle.

Answer:

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