Home > INT2 > Chapter 8 > Lesson 8.1.1 > Problem 813
Tromika wants to calculate the area of the isosceles triangle at right. Homework Help ✎

Look at the two triangles that are created. They share a side, and the ticks marks mean the sides are equal. How could they be congruent? Yes, they are congruent by 
What is
? ? If the segment (height) bisects both
and segment , how can you calculate the measure of half of each?
Determine
. Show how you got your answer. Which trig ratio can you use to determine this length?
Calculate the area of
. How do you find the area of a triangle? Do you have enough information to calculate the area?