frankiesoar68
20.11.2020 •
Mathematics
Here are two similar solid toys.
A
B
The ratio surface area of toy A : surface area of toy B is 7:9
The volume of toy B is 20 cm
I
Work out the volume of toy A.
Give your answer correct to 3 significant figures.
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Ответ:
13.7
Step-by-step explanation:
7*k²=9
k²=9/7
k=√9/7
k=1.133893419
20/1.133893419³=13.7
Ответ:
234 feet
Step-by-step explanation:
To find the volume of a rectangular prism, all you really need to do is multiple the length, width, and height (LxWxH)
(4.5*6.5) = 29.25
29.25*8= 234