the expression is 27a^3 or (3a)^3
Answer:
6 squared
Step-by-step explanation:
The square root of a perfect square is a rational number.
Answer:
growth
Step-by-step explanation:
Answer:
280 cm2
Step-by-step explanation:
1)find the area of square
A=LW
=10×10
=100
2) find the area of triangle
A=B×H÷2
=10×9/2
=45
Coz,there are 4 triangle we multiple by 4
=45×4
=180
3)find the total surface area by adding the two
=100+180
=280cm2
