please answer with the solution.. thank you

1. a rectangle has a length of 28 inches and perimeter P inches. what eqation could be used to find the width, denoted by w, of the rectangle?
2. if the measure of an angle of a triangle is 10degrees less than the 1st angle and the 3rd angle is 10degrees less than twice the first, then the triangle is classified as what kind of triangle according to its angles?
3. find the radius of a sphere whose surface area and volume are numerically equal.
4. find the length of the hypotenuse of an isosceles right triangle whose area is 18 square units.

Question

please answer with the solution.. thank you

1. a rectangle has a length of 28 inches and perimeter P inches. what eqation could be used to find the width, denoted by w, of the rectangle?
2. if the measure of an angle  of a triangle is 10degrees less than the 1st angle and the 3rd angle is 10degrees less than twice the first, then the triangle is classified as what kind of triangle according to its angles?
3. find the radius of a sphere whose surface area and volume are numerically equal.
4. find the length of the hypotenuse of an isosceles right triangle whose area is 18 square units.

angela210793 · Answer

do u get it? 
u know what Permiter is first of all? |dw:1345472687287:dw|