The length of the bottom edge of a triangle is 80 meters, and the height of the bottom edge is 20 meters. Draw it on a drawing with a scale of 1:1000, and Xiaohua gets the drawing The area of this triangle is 80 × 20 ÷ 2 × 1000 / 1 = 0.8 square meters. Is Xiaohua right? If not, please change it

The length of the bottom edge of a triangle is 80 meters, and the height of the bottom edge is 20 meters. Draw it on a drawing with a scale of 1:1000, and Xiaohua gets the drawing The area of this triangle is 80 × 20 ÷ 2 × 1000 / 1 = 0.8 square meters. Is Xiaohua right? If not, please change it

wrong
Area = 80 × 20 ／ 2 × 1000 / 1 × 1000 / 1 = 0.0008 M2

The scale of a map is 1:500, which means that the area on the map is 1500 times of the actual area______ (judge right or wrong)

The scale of a map is 1:500, which means that the distance on the map is 1cm, which means that the actual distance is 500cm, that is to say, the distance on the map is 1500 times of the actual distance, so the area on the map is 1500 × 1500 = 1250000

The scale is 1:50000 topographic map. What is the actual area of a square meter? Is it 2500 square kilometers?

One meter is equivalent to 50000mi = 50km
So 50 × 50 = 2500 square kilometers