7.
The triangle has 3 equal sides. Base on the sides classification, the triangle is an equilateral triangle.
The triangle has 3 equal angles. Base on the angles classification, the triangle is an equiangular triangle.
8.
The triangle has 3 different sides (3, 4, 5).
Sides = The triangle is called a scalene triangle
Angles = The triangle is a right angle triangle because it has one angle equals 90 degrees.
