Find the surface area of the regular pyramid shown to the nearest whole number

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29