I have a doubt...pls need HELP!!! this is the question... i donno how to do these questions. its very difficult for me to understand.. so can any one explain this to me (with workings) pls pls...
1 (a) The scale of a map is 1:20 000 000.
On the map, the distance between Cairo and Addis Ababa is 12 cm.
(i) Calculate the distance, in kilometres, between Cairo and Addis Ababa.
Answer (a)(i) ________________km[2]
(ii) On the map the area of a desert region is 13 square centimetres.
Calculate the actual area of this desert region, in square kilometres.
Answer (a)(ii)________________ km2 [2]
(b) (i) The actual distance between Cairo and Khartoum is 1580 km.
On a different map this distance is represented by 31.6 cm.
Calculate, in the form 1 : n, the scale of this map.
Answer (b)(i) 1 : ____ [2]
(ii) A plane flies the 1580 km from Cairo to Khartoum.
It departs from Cairo at 11 55 and arrives in Khartoum at 14 03.
Calculate the average speed of the plane, in kilometres per hour.
Answer (b)(ii) ________________km/h [4]
1 (a) The scale of a map is 1:20 000 000.
On the map, the distance between Cairo and Addis Ababa is 12 cm.
(i) Calculate the distance, in kilometres, between Cairo and Addis Ababa.
Answer (a)(i) ________________km[2]
(ii) On the map the area of a desert region is 13 square centimetres.
Calculate the actual area of this desert region, in square kilometres.
Answer (a)(ii)________________ km2 [2]
(b) (i) The actual distance between Cairo and Khartoum is 1580 km.
On a different map this distance is represented by 31.6 cm.
Calculate, in the form 1 : n, the scale of this map.
Answer (b)(i) 1 : ____ [2]
(ii) A plane flies the 1580 km from Cairo to Khartoum.
It departs from Cairo at 11 55 and arrives in Khartoum at 14 03.
Calculate the average speed of the plane, in kilometres per hour.
Answer (b)(ii) ________________km/h [4]