Geometry Review

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

Can the following side measures form a triangle?
  3, 5, 8 

• Yes
• No

What is the range of possible third side measures using 10 and 15?

• 9 < x < 16

• 10 < x < 15

• 1 < x < 5

• 5 < x < 25

Measurements of 4 cm, 7 cm, and ​ (a)   form a triangle

• 6 cm
• 11 cm
• 3 cm
• 2 cm
• 12 cm

Measurements of 10 in, 18 in, and ​ (a)   form a triangle.

• 9 in
• 7 in
• 28 in
• 30 in
• 5 in

Which of the following measures DO NOT make a triangle?

• 4, 5, 6

• 5, 5, 11

• 10, 10, 1

• 42, 21, 22

1) If the longest side of the triangle was 10. Then the two shorter sides must have a sum that is ....?

• any length

• equal to 10

• greater than 10

• less than 10

The sum of the lengths of any two sides of a triangle is _____ than the third side

• less

• greater

• equal

a triangle with two congruent sides

• isosceles triangle

• scalene triangle

• equilateral triangle

• acute triangle

Does a triangle with these side lengths exist?
15, 12, 9

• Yes
• No
• I don't know.