To find the area of a triangle, you can use the expression b xh + 2, where b is the base of the triangle and h is its height. What is the area of a triangle with a base of 8 and a height of 4? The area of the triangle is

3 Rami is making a chain of paper stars. Each star measures 4 inches across. The chain must have 11 stars to reach from one side of a window to the other. Which expressions can be used to find the length of the chain from the center of the window to the side of the window? Select the two correct answers. A 11x4² B 5×4 C 11 x 28 D 11×13 11 x 24 F1X/2 42 in. E

A rectangular prism has a length of 6 + 2√3 cm, a width of 2√2 cm and a height of 6 − 2√3. Write and simplify an expression for the surface area of the prism in simplest radical form.

The square dog run has a perimeter of 32 square feet. Mary wants to split the dog run diagonally so she can separate her two dogs. What length of fence will she need to install? Give your answer in simplified radical form.