Classify triangles by their sides
5th grade (Year 6 in England) · 16 questions · Common Core: 5.G.B.4 · England: Y6 Geometry
Name
Date
Score/ 16
Question 1
A triangle has sides of 7 cm, 7 cm, 7 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 2
An equilateral triangle has a perimeter of 42 cm. How long is each side?
Answer
Question 3
A triangle has sides of 11 cm, 11 cm, 11 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 4
An isosceles triangle has two sides of 15 cm and a base of 18 cm. What is its perimeter?
Answer
Question 5
A triangle has sides of 9 cm, 9 cm, 9 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 6
An isosceles triangle has two sides of 5 cm and a base of 8 cm. What is its perimeter?
Answer
Question 7
A triangle has sides of 6 cm, 6 cm, 6 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 8
An equilateral triangle has a perimeter of 33 cm. How long is each side?
Answer
Question 9
A triangle has sides of 12 cm, 11 cm, 14 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 10
An isosceles triangle has two sides of 5 cm and a base of 2 cm. What is its perimeter?
Answer
Question 11
A triangle has sides of 11 cm, 11 cm, 11 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 12
An equilateral triangle has a perimeter of 45 cm. How long is each side?
Answer
Question 13
A triangle has sides of 6 cm, 7 cm, 6 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 14
An isosceles triangle has two sides of 10 cm and a base of 5 cm. What is its perimeter?
Answer
Question 15
A triangle has sides of 5 cm, 7 cm, 7 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 16
An equilateral triangle has a perimeter of 12 cm. How long is each side?
Answer
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