What's is √13×√52 = ?

Step-by-step explanation:

We have:

Notice that 52 is the product of 13 and 4. So:

We can separate the second one:

We can combine the first two:

We can write as . So:

The square root and the square will cancel. The square root of 4 is 2. So:

Multiply:

Therefore:

$12. that is my answer.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).