Answer:
BC = 28
Step-by-step explanation:
The midsegment DF is half the measure of the third side BC , then
BC = 2 × DF = 2 × 14 = 28
Answer:
d= 4
or 5.66
Step-by-step explanation:
(-2,7) and (2,3)
d = 
d= 
d = 
d= 4
or 5.66
The answer is A. 0.1x + 18.2
Answer:
<em>129 </em>
Step-by-step explanation:
Increasing rate of length,
= 9 cm/s
Increasing rate of width,
= 7 cm/s
Length, l = 12 cm
Width, w = 5 cm
To find:
Rate of increase of area of rectangle at above given points.
Solution:
Formula for area of a rectangle is given as:

OR

Differentiating w.r.to t:

Putting the values:
