Answer:
4.5 m
Step-by-step explanation:
The area of two similar triangles are 75 m2 and 300 m2. This gives you the scale factor of the triangles:

Then you can find the length of the corresponding side:

Answer:3 & 4
Step-by-step explanation: those are the two with multiplication/division
Answer:
Cylinder and 6 units
Step-by-step explanation:
Although the problem gives the value of b, it's really not needed.
Opposite sides of a parallelogram are congruent, so we just need to calculate: 2a + 2c = P
Plug the given values in:
2 * 7.6 + 2 * 14.6 = 44.4 units, or choice (C).