Question

1. classify each type of the follow triangles: a) b) c) d)

Explanation:

Step1: Recall triangle classification by sides

Triangles can be classified as equilateral (all sides equal), isosceles (at least two sides equal), or scalene (no sides equal).

Step2: Analyze triangle a)

In triangle a), two sides are marked equal. So it is an isosceles triangle.

Step3: Analyze triangle b)

In triangle b), all three sides are marked equal. So it is an equilateral triangle.

Step4: Analyze triangle c)

In triangle c), no sides are marked equal. So it is a scalene triangle.

Step5: Analyze triangle d)

In triangle d), no sides are marked equal. So it is a scalene triangle.

Answer:

a) Isosceles triangle
b) Equilateral triangle
c) Scalene triangle
d) Scalene triangle