Answer:
52.8 square m
Step-by-step explanation:
We are given that
Length of rectangular face of Shaun's tent=5 m
Breadth of rectangular face of Shaun's tent=3 m
Base of triangular face=1.5+1.5= 3m
Height of triangular face=2.6 m
Area of rectangle=![length\times breadth](https://tex.z-dn.net/?f=length%5Ctimes%20breadth)
Using the formula
Area of 3 rectangular face=![3\times 5\times 3=45m^2](https://tex.z-dn.net/?f=3%5Ctimes%205%5Ctimes%203%3D45m%5E2)
Area of two triangular face =![2\times \frac{1}{2}\times base\times height](https://tex.z-dn.net/?f=2%5Ctimes%20%5Cfrac%7B1%7D%7B2%7D%5Ctimes%20base%5Ctimes%20height)
Area of two triangular face=![3\times 2.6=7.8 m^2](https://tex.z-dn.net/?f=3%5Ctimes%202.6%3D7.8%20m%5E2)
Area of tent=Area of 3 triangular faces+area of two triangular faces
Area of tent=![45+7.8=52.8m^2](https://tex.z-dn.net/?f=45%2B7.8%3D52.8m%5E2)
Answer:
Speed = 20 m/s
Step-by-step explanation:
The formula to find the speed of a wave is found by
Speed = Wavelength x Frequency where the frequency is in HZ and the wavelength is in meters
Speed = .80*25
Speed = 20 m/s
7) 4
8) 22
9) 9
10) 12
Good luck!