√72-48/√50-45/√128+2√98 rationalise the denominator s as per necessity and simplify.
pl help​

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank