Answer:
C
Step-by-step explanation:
a straight line is 180, 180-40=140
Answer:
Perimeter is 17.07
Step-by-step explanation:
We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.
We need to use the Pythagorean theorem to get the length of DE.

So the perimeter of DEF is 5 + 5 + 7.07 = 17.07
Answer:
the number itself, (units) are getting bigger
Step-by-step explanation:
Answer:
3:2
Step-by-step explanation:
Yes a ratio is a rate
Answer:
0.300
Step-by-step explanation: