Right angle 4.2 squared + 6.4 squared = 58.6 Square root of 58.6 = 7.6 so you know the longest side is right And since you used Pythagoras theorem you know it must be a right angle
Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3
Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.