Question

who know this answer please give me correct answer​

Answer 1

Step-by-step explanation:

1) Equilateral triangle

2)Isosceles triangle

3) 180degrees

4

Answer 2

(1) ∆ABC is an equilateral triangle as it's all 3 sides are given equal.

(2) ∆ABD is an isosceles triangle as it's 2 opposite sides are given equal.

(3) Sum of all sides of a ∆ = AB + BC + AC = 180°

(4) All Angles of an equilateral triangle are equal.

(5) 2 opposite Angles of an isosceles triangle are equal.

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