Question

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Answer 1

✷ A)

I) Obtuse angle .

ii) Reflex angle .

iii) Right angle .

iv) Acute angle.

v) Acute angle .

vi) Obtuse angle.

✷ B)

I) 4x-4=12

→ 4x = 12 +4

→ 4x = 16

→ x = 16/4

→ x= 4 .

ii) 1 km = 1000 m

1 hour = 60 min.

then ,

→ (30 km/hr × 1000 m) / (60×60)

→ 30000/3600

= 8.33 m/sec .

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Answer 2

Answer:

《Answer》

Step-by-step explanation:

A) Classify each of the following as an acute, obtuse, right and reflex angles.

1) Obtuse Angle

2) Reflex Angle

3) Right Angle

4) Acute Angle

5) Acute Angle

6) Obtuse Angle

B) solve the following equations :

1) 4x-4=12

4x = 12 + 4

4x = 16

x= 16/4

x=4

2) Express 30km/h in m/s

Let's convert km to m And Hour to Second.

1 km = 1000m

1 Hour = 60×60 second

30 × 1000 m

———————

60×60 sec

=300/36

=8.3333333333 m/s

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