Question

3. Find the value of x in each of the figures given below.
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Answer 1

Answer:

answer of question a

X + 65 + 40 = 180

X + 125 = 180

X =55

answer of question B

X + 25 +X + 35 = 180

2x + 55=180

2x = 125

x = 125/2

x=62.5

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Answer 2

Answer:

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Step-by-step explanation:

a) 65°+x+40°=180° ( LINEAR PAIR)

105°+x =180°

x = 180°-105°

x =75°

b) (2x+25)°+(x+35)°=180(LINEAR PAIR)

2x+25°+x+35° =180°

3x +60° =180°

3x =180°-60°

x =120°

3

x = 40°

now;

(2x+25)°= 2×40+25= 80+25= 105°

(x+35)°= 40+35 =75°