Answer:
C ) 
Step-by-step explanation:
<u>Midpoint :</u> -
The midpoint formula is
.....(a)
The given points are
A(-12,-3) and B(3,-8)
substitute these points we get

<u>The midpoint of the segment is </u>
<u>
</u>
<u></u>
Answer:
3456
Step-by-step explanation:
Ten times the dimensions is:
4.8 * 10 in by 7.2 * 10 in = 48 by 72 inches
The area is the product of the two numbers:
48*72 = 3456 inches squared
Answer:
The length of side of original square is: 20 inches
Step-by-step explanation:
Let x be the length of side of original square
Then x+5 will be the side of new square
Th formula for perimeter is:

As we know the perimeter of the new square we can use the perimeter to find the value of x

The value of x is 20 inches.
Hence,
The length of side of original square is: 20 inches
Answer:
b = 7
Step-by-step explanation:
Since the triangle is right use the tangent ratio to solve for b
and the exact value
tan30° =
, thus
tan30° =
=
and
=
( cross- multiply )
b = 7