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
An equilateral triangle has a perimeter of 15 cm. How long is each side?
Answer
Question 2
A triangle has sides of 10 cm, 11 cm, 9 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 3
An equilateral triangle has a perimeter of 27 cm. How long is each side?
Answer
Question 4
A triangle has sides of 8 cm, 10 cm, 10 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 5
An isosceles triangle has two sides of 6 cm and a base of 3 cm. What is its perimeter?
Answer
Question 6
A triangle has sides of 6 cm, 7 cm, 5 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 7
An equilateral triangle has a perimeter of 27 cm. How long is each side?
Answer
Question 8
A triangle has sides of 4 cm, 4 cm, 4 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 9
An isosceles triangle has two sides of 6 cm and a base of 10 cm. What is its perimeter?
Answer
Question 10
A triangle has sides of 10 cm, 10 cm, 12 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 11
An equilateral triangle has a perimeter of 21 cm. How long is each side?
Answer
Question 12
A triangle has sides of 11 cm, 11 cm, 11 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 13
An isosceles triangle has two sides of 6 cm and a base of 10 cm. What is its perimeter?
Answer
Question 14
A triangle has sides of 7 cm, 7 cm, 7 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
Question 15
An isosceles triangle has two sides of 10 cm and a base of 3 cm. What is its perimeter?
Answer
Question 16
A triangle has sides of 5 cm, 5 cm, 5 cm. What type of triangle is it?
- A. equilateral
- B. isosceles
- C. scalene
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