Answer:
Step-by-step explanation:
they are asking, what multiple of 18 would equal 720
so divide 720 / 18 = 40
so the drawing on the building will be 1/40 th scale
that is, it will be one fortieth, of the real one. :)
Answer:
11.4
Step-by-step explanation:
l²+w²=d²
81+49=130
√ 130
11.40175425099138
11.4
Answer:

Step-by-step explanation:
Given: 
To find: angle to the nearest degree
Solution:
A triangle is a polygon that has three sides, three angles ,and three vertices.
Trigonometry explains the relationship between the sides and angles of the triangle.
The angle can be expressed in two forms: degrees or radians.

It is not.
400 decimeters = 4,000 cm
4,000 cm = 40 m