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How do I solve this?

How Do I Solve This class=

Sagot :

Answer:

a) (2x+18)° = 90°

b) x=36°

c) (3x+6)=114°

Step-by-step explanation:

a) (2x+18)° is 90° because it is a right angle

b) (2x+18)° = 90°

2x=90°-18°

x=72/2

x=36

c) solution 1 :

triangle=180°

180°-90°-24°=66°

straight angle=180°

180°-66°=114

solution 2:

x=36

(3x+6)°=3(36)+6

=114°