Angle of Triangles and Polygon

What type of triangle is shown?

Select all that apply

• Isosceles

• Right-angled

• Equilateral

• Scalene

Charlotte has drawn a triangle with angles of 60°, 60° and 60°.

What type of triangle has she drawn?

• Isosceles

• Right-angled

• Scalene

• Equilateral

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

Find the measure of the indicated angle. 

• 120 degrees

• 40  degrees

• 20 degrees 

• 21 degrees

Find the measure of the indicated angle. 

• 145 degrees

• 24 degrees

• 20 degrees 

• 21 degrees

Which of the following are types of Triangle Angles?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• All of the above

Match the following

• 90

• angle 1

• 30

• angle 8

• 60

• angle 6 + angle 7

• 120

• angle 4

• 180

• angle 9+ angle 10

Which type of triangle is pictured?

• Equilateral Triangle

• Right angled Isosceles Triangle

• Obtuse Isosceles Triangle

• Obtuse Equilateral Triangle

Select all the sentences that are true.

• A triangle is a polygon.

• An equilateral triangle is an irregular polygon.

• An equilateral triangle is a regular polygon.

• A triangle is a quadrilateral.

Here is a soccer field divided into two congruent right angle triangles. If the total area of the field is 390m², what is the area of one triangle?

• 63m²

• 39m²

• 195m²

• 75.7m²