pls help on this it must be answerd quickly or i will not be able to go on the my dads boat on sunday, so pls pls answer quickly

i think the answer is b.

step-by-step explanation:

not 100% sure though.

40 x 50 = 2000

step-by-step explanation:

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus