Question

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Answer 1

Answer:

1. 90000 m
2. 1 cm = 3000 kms
3. 5 cm

Step-by-step explanation:

First question:

Scale → 1 cm = 30 km

So, 3 cm = 3 × 30 = 90 km

∴ Distance on ground = 90 km = 90000 m

Second question:

Distance on map = 5 cm

Distance on ground = 15000 km

Scale = Distance on ground ÷ Distance on map

⇒ Scale = 15000 ÷ 5

⇒ Scale = 3000

∴ Scale → 1 cm = 3000 kms

Third question:

Distance on ground = 500 kms

Scale → 1 cm = 100 km

⇒ 100 km = 1 cm

Multiply by 5 on both sides;

⇒ 500 km = 5 cm

∴ Distance on map = 5 cm