Length of DE = 3-(-1) = 4
SIDE DE is a vertical line
horizontal distance between E and F is 3 - (-2) = 5
So the area of triangle DEF = 0.5 * 4 * 5 = 10 sq units
Answer:
5 terms
Step-by-step explanation:
x is one term
-3 is one term
2y is one term
-16 is one term
4x is one term
5 terms in total
Answer:
h = 2A/b
Step-by-step explanation:
multiply both sides by 2
2A = bh
divide both sides by b
2A/b = h
Answer: either of two angles whose sum is 180°.
Step-by-step explanation:
