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1 answer:
Answer:
Step-by-step explanation:
using pythagoras theorem formula
a^2+b^2=c^2
19^2+52^2=c^2
361+2704=c^2
=c
55.36=c
55=c
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check the picture below.
notice, if we put the 90° angle at the bottom, one leg from it will be horizontally straight and the other will be vertically straight.
Answer:
where's the equation?
Step-by-step explanation:
The simplest form of the fraction is 9/25
Answer:
Since we know that
(a+b)
2
=a
2
+2ab+b
2
(a−b)
2
=a
2
−2ab+b
2
Now,
(i)
(x+3y)
2
=x
2
+2×x×3y+(3y)
2
=x
2
+6xy+9y
2
(ii)
(2x−5y)
2
=(2x)
2
−2×2x×5y+(5y)
2
=4x
2
−20xy+25y
2
(iii)
(a+
5a
1
)
2
=a
2
+2×a×
2a
1
+(
2a
1
)
2
=a
2
+1+
4a
2
1
(iv)
(2a−1a)=(1a)
2
(1a)
2
=1a
2
Answer
Answer:
volume of cube=441cm³
l³=441cm³
l=
![\sqrt[3]{441}](https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B441%7D%20)
length=7.6cm
