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LINES AND ANGLES II

Lines and Angles [Revision]

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LINES AND ANGLES II 1In Diagram 1, PQRS is a straight line.

Diagram 1

Find the value of m.

[2 marks]

Answer:

2In Diagram 2, PQRS is a straight line.

Diagram 2

Find the value of x.

[2 marks]

Answer:

3In Diagram 3, PQRS is a straight line.

Diagram 3

Find the value of x.

[2 marks]

Answer:

4In Diagram 4, ABCD is a straight line.

Diagram 4

Find the value of m.

[1 mark]

Answer:

5In Diagram 5, ABC and DBE are straight lines.

Diagram 5

Find the value of y.

[2 marks]

Answer:

6Diagram 6 consists of four straight lines.

Diagram 6

Find the value of m.

[2 marks]

Answer:

7In Diagram 7, PQR is a straight line.

Diagram 7

Find the value of y.

[2 marks]

Answer:

8Diagram 8 consists of four straight lines.

Diagram 8

Find the value of x.

[2 marks]

Answer:

9Diagram 9 consists of a few straight lines.

Diagram 9

Find the value of x + y.

[3 marks]

Answer:

10Diagram 10 consists of a few straight lines.

Diagram 10

Find the value of a + b.

[3 marks]

Answer:

Answer:1m = 180 110 = 70

2x = 180 132 = 48

3x = 180 111 = 69

4m = 180 54 = 126

5y = 180 (180 121) 36 = 85

6m = 180 (180 101) (180 123) = 180 79 57 = 44

7y = 180 EQ \F(180 50,2) = 180 65 = 115

8x = EQ \F(360 (180 99) (180 125),4) = EQ \F(224,4) = 56

9x = 360 (180 62) 122 = 1208y = x = 120y = EQ \F(120,8) = 15x + y = 120 + 15 = 135

10a = 360 (180 31) 95 = 1162b = a = 116b = EQ \F(116,2) = 58a + b = 116 + 58 = 174