The perimeter of plot is 200 m. Denote sides of plot with x and y.

The area of plot is

a)

b) The area is maximal for A'=0


The sides of rectangle are x=50 and y=50. Therefore, the area is maximal if the rectangle is a square.
Answer:
38
Step-by-step explanation:
A) 90° clockwise rotation about the origin and dilation by a factor of 1/2.
b) the triangles are SIMILAR
1.
a.2,3,5 450/2=225 450/3=150 450/5=90
b.none
c.2 only 18,652/2=9,326
d.5 only 455/5=91
2.
a.3 and 5
b.3 and 7
c.19
d.7 and 21
3.
a.30
b.18
c.24
d.30
Answer:
0.0010554
Step-by-step explanation: