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(a) The diagram shows four angles around a point

1. Write down an equation in x and y
2. Simplify your equation
3.Find y when x=65°

(a) The diagram shows four angles around a point 1. Write down an equation in x and-example-1

2 Answers

2 votes

Answer:

Explanation:

The degrees around a point = 360, so

1. x + 95 + 3y + 80 = 360 so

2. x + 3y = 185

3. 65 + 3y = 185 and

3y = 120 so

y = 40

User Dasdom
by
8.9k points
5 votes

Answer:

y=40

Explanation:

sum of all 3 angles : 240

3y+240=360

3y=360-240=120

y=3÷120

y=40

User Mbuechmann
by
8.3k points

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