Geometry class 5

When two lines meet at a point and intersect ________ is formed

• Ray

• Angle

• Point

The angle less than 90 °

• Straight angle

• Acute angle

• Obtuse angle

• Right angle

The angle equal to 90°

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

The angle more than 90° but less than 180°

• Acute angle

• Obtuse angle

• Straight angle

• Right angle

The angle exactly equal to 180° is called

• Straight angle

• Right angle

• Acute angle

• Obtuse angle

Name the type of triangle.

• Right triangle

• Acute triangle

• Isosceles triangle

• Scalene triangle

Name the type of triangle

• Obtuse triangle

• Acute triangle

• Equilateral triangle

• Right triangle

Name the triangle with one of the angle equal to 130°

• Acute triangle

• Obtuse triangle

• Isosceles triangle

• Scalene triangle

Calculate the area of the triangle ABC

• 32cm²

• 42cm²

• 46cm²

• 22cm²

Area of the triangle can be found using the formula

• 1/2 × base× square

• 1 × height

• 1/2 × base × height

• Side × side× side