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Lesson 12 Triangle Sum Theorem DOL

Last updated almost 2 years ago

3 questions

33

33

34

Question 1

1.

Question 2

2.

Question 3

3.

Find value of x

85

40

50

180

Find the value of y

100

40

140

What is the correct equation and the value of x

7x+3  +  60  +   75   =  180    and x=6

7x+3  +  60  +   75   =  180    and x=45

7x+ 3 = 135

180 - 7x  =   135