(1, 1)
B.
(0, –1)
C.
(1, 0)
D.
(–1, –1)
Answer: the answer is D.
B- 7 square units
C- 5.9 square units
D- 5 square units
we have that
using a graph tool
see the attached figure
the Area of triangle QRS is equal to
1) Find the distance RQ
Applying the formula of distance
2) Find the distance ST
3) Find the area of triangle QRS
therefore
the answer is the option
D- square units