State if the three numbers can be the measures of the sides of a triangle.
1) 12,26, 11
2) 10, 3, 9
3) 2, 8, 9
4) 21, 10, 11
5) 11, 25, 12
6) 8, 8, 8
7) 11, 3, 8
8) 7, 1, 8
9) 10, 13, 10
10) 6, 7, 9

yes/no

!

1)no

2)no

3)no

4)no

5)no

6)no

7)no

8)no

9)no

10)no

4 puzzles in 3 hours

step-by-step explanation:

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.