Yes or no?
1) diagonals of a rhombus are equal?
2) rectangles are parallelograms
3) diagonals of a rectangle bisect the angles?
4) a parallelogram has adjacent equal sides?
5) the diagonals of a rhombus intersect at right angles?
6) a square is a rectangle with equal sides?

If you answer 2+2 you will get over 80 points

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?