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Lesson 12 DOL Triangle inequality part1

Last updated over 1 year ago

3 questions

1

50

50

Question 1

1.

Do the following sides form a triangle 12,7, 9

7+9 greater than 12, yes

12 + 9 less than 7, no

12+7 less than 9, no

Question 2

2.

What are the range of the third side of a triangle with sides of 24 and 12

more than 12 and less than 36  (12<X<36)

at least 12 and less than 36   (12≤X<36)

at least 12 but not more than 36 (12≤X≤36)

Question 3

3.

In a triangle with sides AB= 34 BC=8 and AC = 8x+2, what are the ranges of values for x

8 < x < 34

26 < x < 42

24 < x < 40

3 < x < 5