A composite number has more than two factors.
(B) 21 is a composite number because the factors of 21 are 7 × 3.
So, first we input 6
24 - 6 = 18
So we now need to find the square root of 18
If you're allowed to use a calculator, the square root is 4.242
But if you don't, let's get as close as we can:
√(9 * 2)
Because the square root of 9 is 3:
3 * √2
Answer:
A right triangle or right-angled triangle is a triangle in which one angle is a right angle.
<u>Therefore, one of the angles must be 90 degrees to be a right angle triangle.</u>
Answer:
21+3x
Step-by-step explanation:
Expand this:
3(7+x)
So it becomes:
21+3x
