19.16666666666666666666666
I THINK it may be the fourth one.
Answer:
p = 14
Step-by-step explanation:
Side BD is common to both triangles. Moreover, the two triangles are congruent. This means that the side of length 7p is congruent with the side of length p + 84. Thus, 7p = p + 84, or 6p = 84, or p = 14.
Answer:
42 meters
Step-by-step explanation:
28/2 = 14, 3*14 = 42