Decide whether three lengths can make a triangle

Question 1

Can sticks of length 7 cm, 3 cm and 9 cm make a triangle?

• A. Yes
• B. No

Question 2

Two sides of a triangle are 5 cm and 15 cm. The third side is a whole number of cm. What is the greatest it can be?

Answer 

Question 3

Can sticks of length 10 cm, 9 cm and 6 cm make a triangle?

• A. Yes
• B. No

Question 4

Two sides of a triangle are 5 cm and 12 cm. The third side is a whole number of cm. What is the greatest it can be?

Answer 

Question 5

Can sticks of length 9 cm, 8 cm and 19 cm make a triangle?

• A. Yes
• B. No

Question 6

Two sides of a triangle are 5 cm and 12 cm. The third side is a whole number of cm. What is the greatest it can be?

Answer 

Question 7

Can sticks of length 6 cm, 5 cm and 13 cm make a triangle?

• A. Yes
• B. No

Question 8

Two sides of a triangle are 10 cm and 9 cm. The third side is a whole number of cm. What is the smallest it can be?

Answer 

Question 9

Can sticks of length 5 cm, 4 cm and 4 cm make a triangle?

• A. Yes
• B. No

Question 10

Two sides of a triangle are 7 cm and 7 cm. The third side is a whole number of cm. What is the smallest it can be?

Answer 

Question 11

Can sticks of length 6 cm, 12 cm and 22 cm make a triangle?

• A. Yes
• B. No

Question 12

Two sides of a triangle are 12 cm and 3 cm. The third side is a whole number of cm. What is the smallest it can be?

Answer 

Question 13

Can sticks of length 8 cm, 11 cm and 23 cm make a triangle?

• A. Yes
• B. No

Question 14

Two sides of a triangle are 13 cm and 10 cm. The third side is a whole number of cm. What is the smallest it can be?

Answer 

Question 15

Can sticks of length 3 cm, 3 cm and 2 cm make a triangle?

• A. Yes
• B. No

Question 16

Two sides of a triangle are 5 cm and 4 cm. The third side is a whole number of cm. What is the smallest it can be?

Answer