scale drawings in math

Question: Find the number of triangles that can be drawn through 12 distinct points, no three of which are collinear. Answer: To draw a triangle, we require three non-collinear points. Hence, the number of triangles that can be drawn is ..

A scale drawing has a scale of 3 4 in: 10ft. Find the length of a room in the architectural drawing if the actual length of the room is 15 ft. => 0.5 in. or 1.125 in. or 0.89 in. or 2 in...

A drawing of a ship has a scale of 1 inch equal to 5 feet. The actual ship is 18 feet long. How long is the ship in the scale drawing? => 90 in. or 4 in. or 23 in. or 3.6 in...

A drawing of a table has a scale of 1 inch equal to 3 feet. Find the actual length of the table, if the length of the table in the scale drawing is 4 inches. => 3 4 feet or 18 feet or 12 feet or 4 feet..

A scale drawing of a bus is 1 in. : 4 ft. Find the actual height of the bus, if the height of the model is 4 in. => 18 ft or 15 ft or 16 ft or 17 ft..

A scale drawing of the car picture is 1 cm : 2 ft. Find the actual length of the car, if the length of the car picture is 4 cm. => 9ft or 8 ft or 6 ft or None of the above..

The figure shows the layout of a house. If the actual length of the living room is 12 ft, find the scale used to draw the layout. => 1 cm : 4 ft or 1 cm : 5 ft or 4 cm : 1 ft or 1 in. : 4 ft..

The width of a window is 4 inches in an architect's blueprint. If the scale used to draw the blueprint is 1 inch : 1 foot, then what would be the actual width of the window? => 5 feet or 2 feet or 1 foot or 4 feet..

An artist used a scale of 1 in. : 3 m to draw a chapel. The chapel measured 10 in. in his sketch, find the actual height of the chapel. => 30 m or 31 m or 32 m or 29 m..

A tree is 54 meters high. George used a scale of 1 inch : 9 meters to draw the picture of the tree. Find the height of the tree in George′s picture. => 6 inches or 54 inches or 6 meters or 8 meters..