2 years ago

Lena’s guest house is 15 m long and 12 m wide. How long is the diagonal of the house?

2 answers:

5 0

Answer : 19.21m

(split the house into 2 right angle triangles)
(using pythagoras - a^2+b^2+c^2)

15^2 + 12^2 = d^2
225 + 144 = d^2
369=d^2
d=(square root of 369)
d=19.2094
which rounds to 19.21

Georgia [21]2 years ago

3 0

Lena’s guest house is 8 m long

You might be interested in

Write a two-column proof.

irga5000 [103]

Proof:-

In ∆XYZ and ∆VWZ

$\because\sf\begin{cases}\sf XZ\cong VZ(Given)\\ \sf YZ\cong WZ(Given)\\ \sf$

Hence

∆XYZ $\cong$ ∆VWZ(Side-Angle-Side)

8 0

3 years ago

Read 2 more answers

A cruise ship sailed for 9 hours at a speed of 18 miles per hour. How far did the cruise ship sail?

Lena [83]

Answer:

162 miles

Step-by-step explanation:

9 x 18 = 162

7 0

3 years ago

Use formulas to find the area of the figure. A triangle has a horizontal bottom side of length 8 centimeters and two sides of le

polet [3.4K]

Answer:

Don't let people bring you down you got this

Step-by-step explanation:

7 0

3 years ago

select all of the figures shown below that are unit cubes. (please explain what a unit cube is too and how to find one)

Marat540 [252]

Answer:

Unit Cube - Definition with Examples. A unit cube, sometimes called a cube of side 1, is a cube whose sides are 1 unit long. The volume of a 3-dimensional unit cube is 1 cubic unit, and its total surface area is 6 square units.

4 0

3 years ago

The original price of a shirt was $20. It was decreased to $15. What is the percent decrease of the price of this shirt?

KIM [24]

Answer:

25%

Step-by-step explanation:

Price reduction = 20 - 15 = $ 5

Percent decrease of price = (5/20)*100 = 5*5 = 25%

6 0

3 years ago