Hey there! :)
First, let's find the volume
Volume = length × width × height
30 × 6 × 7 = 1260
The volume is 1,260 in³
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Surface Area:
Small squares: 84
(7 × 6) · 2
Smaller rectangles: 360
(30 × 6) · 2
Bigger rectangles: 420
(30 × 7) · 2
Now, let's add all
84 + 360 + 420 = 864
The surface area is 864 in
Hope this helps :)
Their are two triangle possible.
1 ) With hypotenuse of length x.
2) With hypotenuse of length 12.
Solution :
Case : 1 )
Using Pythagoras theorem :
x² = 7² + 12²
x = √( 7² + 12²)
x = √( 49 + 144 )
x = √(193)
x = 13.89
Case : 2 )
Using Pythagoras theorem :
x² + 7² = 12²
x² = 144 - 49
x = √95
x = 9.75
Hence, this is the required solution.
Equation:
6(1/x) = 2(1/7)
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6/x = 2/7
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2x = 42
x = 21
4x^2+48x=20
4x^2+48x+144=164
(2x+12).(2x+12)= + 59rt(164)
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