The size of a TV screen is stated in inches, a 45-inch TV, a 60-inch TV, etc. But a TV screen or a cell phone screen is a surface so its size should be measured in square inches rather than inches. It turns out that the advertised screen size is actually the length of the diagonal line of the screen. So a cell phone with a 6-inch screen may have a different screen area than another cell phone that also has a 6-inch screen. Find the area of the rectangles. Round answer to two decimal places.

Q: Let u = (9,3,-3), v = (0,2,-5), and w = (6,5,4). Compute v X w. vxW=(

A:

Q: The top of a bridge tower needs new lights. The lights are along the perimeter of the towers top.…

A: We have to find the perimeter of tower.

Q: Suppose you know only that the length of one side of a rectangle is 100. What can you say about the…

A: In a rectangle, a diagonal divides it into two right triangles. In a right triangle, the largest…

Q: A new paper-thin battery is being designed. It will be shaped like a rectangle. To have enough…

A: Given that A paper thin battery is being designed.that shape is ractanguler. Area of battery is 60…

Q: Students sometimes get confused about the relationship between squares and rectangles. Explain this…

A: We need to explain the relationship between square and rectangles.

Q: If a square and a rectangle have the same area, does it mean their perimeters are the same?

A: Consider the side of the square is 4cm and length of the rectangle is 8cm, width of the rectangle is…

Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.