The scale on a map is 1 : 20 000. The area of a lake on the map is 1.6 square centimeters. Calculate the actual area of the lake. Give your answer in square met
Matematika
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Pertanyaan
The scale on a map is 1 : 20 000. The area of a lake on the map is 1.6 square centimeters.
Calculate the actual area of the lake. Give your answer in square metres.
Calculate the actual area of the lake. Give your answer in square metres.
2 Jawaban
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1. Jawaban bernoulitoricel
Scale = area on the map/ actual area
1/20.000 = 1,6 / actual area
Actual area = 1,6 × 20.000 = 32.000 square centimeters
= 3,2 square meters. -
2. Jawaban oliviakitchen
actual area= scale × area on the map
= 20.000 × 1.6 cm2
=20.000 × 16/10
20.000 ÷ 10 × 16
= 32.000 cm2
= 3.2 meter2