What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? a. 70 sq. in. b. 35 sq. in. c. 20 sq. in. d. 44 sq. in.

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be