Which of the following rules should be used to find the area of a triangle? Divide area by length.

Divide the sum of the upper and lower sides by 2.

Multiply length by width by height.

Multiply base by altitude.

none of these

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Draw a scaled copy of the circle using a scale factor of 2

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?