Can anyone help me with this one ?

26

Step-by-step explanation:

First find the triangle of the base by using the Pythagorean theorem

So the diagonal of the base is the square root of 612

Now we can find the hypotenuse of GP using that and 8 in the Pythagorean theorem.

(Square root times itself is the number inside):

GP = 26

Hope this helps :)

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.