CARD 2: Benjamin says that these
measurements will form
a unique triangle.
A triangular garden is being formed by
bricks. The three sides measure 4
feet, 10 feet, and 3 feet in length. Will
these measurements result in a
triangle?
Beatrice says that a
triangle will not be
formed by these
measurements.
Benjamin
Beatrice

Which of the following is true for the relation f(x)=2x^2+1

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

What rotation was applied to triangle def to create d’e’f’?