19. Which of the following is the measure of ÐQRS? A. 80° B. 100° C. 115° D. 90°
1 answer:
You might be interested in
I redrew the triangle (just turned it around it make it easier to understand).
Answer:
It can be solved in many forms
one by replacing each point to see which one satisfy the equation or by using quadratic formula
so the right answer is the fourth one
