Write an equation that Estelle could use to solve for
Use the Triangle Angle Sum Theorem to calculate the missing angle, this means all the angles in a triangle total
. Label added, third angle, theta = 23 degrees.
Place a "
" on the missing side. Write the trigonometric ratios for the angle, reference the Math Note box in Lesson 5.1.2 for extra help. Label added, short side is y.
Which equation can be used to solve for
Without a calculator, how could Estelle find