Answer:
5 to 18 ; 1 to 225
Step-by-step explanation:
BEACAUSE IT WAS FROM USA TEST PREP AND GOT IT RIGHT
Answer: 918km^2
Step-by-step explanation:

Let x be the new dimension of the area;


Answer:

Step-by-step explanation:
The diagram for the question is attached below
perimeter of the triangle is 28 feet
area of a square is 144 feet
Area of the square is side^2

take square root on both sides
side = 12
side of the square = 12
side is the diameter of the semicircle
Diameter = 12 , so radius = 12 divide 2 = 6
circumference of semicircle = 
one side of the rectangle is calculated in the perimeter of triangle and other side is calculated using circumference
perimeter of other two side = 2(12)= 24
Total perimeter = 
The first one is a reflection over the x-axis :)