Which statements are true? Select all that apply. Multiple select.

A)
If a2+b2=c2, then a triangle is a right triangle, and its legs are units long and b units long, and the hypotenuse is c units long.

B)
If a+b=c holds true, then a triangle is a right triangle.

C)
If a2+b2=c2 , then a+b+c .

D)
If a triangle is a right triangle, then a2+b2=c2 holds true.

i belive those are the ones that are under 90 degreese.

d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation:

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours