What is the length and width of the 2.8-inch screen?

What is the length and width of the 2.8-inch screen?

The ratio of length to width is 4:3, 5:4, 16:9 and so on. 2.8 inches only refers to the length of the alignment. It must be calculated according to the ratio of length to width

How big are the 200 inch and 300 inch projection screens?

It depends on the ratio. Generally, the ratio of business education is 4:3
Home theater usually uses 16:9
4: In 3
The 200 inch screen size is 4046 * 3048
The 300 inch picture size is 6095 * 4574
16: 9 percentage
The 200 inch screen size is 4430 * 2490
The 300 inch screen size is 6642 * 3736

16: How big is the 9 120 inch metal curtain

The curtain is 1.49M high and 2.66M wide

How big is the standard 200 inch 16:9 projection screen

200*25.4*(16/((16^2+9^2)^0.5))=4428mm
200*25.4*(9/((16^2+9^2)^0.5))=2491mm
This is the size of the projection screen. The screen should be enlarged according to your requirements

Projection screen size specification

Projection screen size table rolling screen (4:3) diagonal (inch) size (m) 100 "about 2.0 * 1.5120" about 2.4 * 1.8150 "about 3.0 * 2.4180" about 3.6 * 2.6200 "about 4.2 * 3.2 rolling screen (16:9) diagonal (inch) size (m) 92" 2.03 * 1.44106 "about

How many centimeters is 7 inches long and how many centimeters wide?

7 in = 17.78 cm
If the ratio is 4:3,
The screen width is about 14.22 cm
The screen height is about 10.67 cm

How long and how wide is a 5.7-inch screen?

1 inch = 2.54 cm long 15.38 cm wide 7.968 cm

There is a rectangular piece of paper, 8 cm long and 6 cm wide. It takes at least () pieces of paper to make a square
A. 7B. 12C. 24

The least common multiple of 8 and 6 is 24, that is, the side length of the square is 24 cm, (24 ﹣ 8) × (24 ﹣ 6) = 12 (pieces). Answer: at least 12 such rectangles are needed to form a square

An enlarged mobile phone model is placed at the door. It is known that the height of the mobile phone is 8 cm. The height ratio of the mobile phone model to the mobile phone is 12:1. The mobile phone model is several meters high

12：1=X：8
X = 12 * 8 = 96 (CM) = 0.96 (m)

One is 10 decimeters long and 8 centimeters wide. If it holds 120 liters of water, how high is the water?

120 L = 120 cubic decimeter 8 cm = 0.8 decimeter
Water height = 120 △ 10 △ 0.8 = 15 decimeters