How to calculate the slope of sloping roof? A height: 3, length: 1, and actual height is 9. How to calculate the detailed explanation of hypotenuse? - Training Enrollment Network

How to calculate the slope of sloping roof? A height: 3, length: 1, and actual height is 9. How to calculate the detailed explanation of hypotenuse?

Angel tears dizzy: Hello.

This is a mathematical problem:

The ratio of height to length is 3: 1,

The actual length of the roof is 3,,,, (3: 1 = 9: x, x = 9 ÷ 3 = 3).

According to Pythagorean Law: hypotenuse = √ (3? +9? )=√90=9.49

In fact, such a steep roof is rare.

Good luck, goodbye.

Related articles

Mathematical virus propagation problem

Can mathematics and applied mathematics (financial mathematics) be admitted to certified public accountants or actuaries?

"Appearing" Courseware of Grade Five Mathematics in Beijing Normal University Edition [3 pieces]

How to solve the time difference problem?

What kind of school is Shangrao No.2 Middle School?

Write love letters with mathematics to seek superior people.

How to let children know the shape

20 17 how much is the deed tax for the second-hand house in Nantong?

Do you have any recommended review materials for college entrance examination mathematics?

I didn't learn math well in primary school. I feel that I can't do anything in the first day, and I often fail the exam. Is there any way to learn math well?