Mathematics
Grade 7
15 min
Types of triangles
Types of triangles
Tutorial Preview
1
Classify a triangle with sides 5, 5, and 7.
2
Classify a triangle with angles 40°, 50°, and 90°.
3
A triangle has angles 60° and 70°. Find the third angle.
Sample Practice Questions
Easy
A triangle has side lengths of 3, 4, and 5. What type of triangle is it?
0.Isosceles
1.Scalene
2.Equilateral
3.Obtuse
Easy
A triangle has side lengths of 6, 6, and 9. What type of triangle is it?
0.Scalene
1.Isosceles
2.Equilateral
3.Right
Easy
A triangle has angles of 30°, 60°, and 90°. What type of triangle is it?
0.Acute
1.Obtuse
2.Right
3.Scalene
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