Answer: 1080 
Determine the values of b1, b2, and b3, the sides of the triangular base. Also determine the value of h, the height of the triangular base and l, the length of the prism (the length between the bases).
The sides of the triangular base are:
b1 = 13 in.
b2 = 14 in.
b3 = 15 in.
The triangular base is a right triangle, and so the height is one of our sides. We will use
h = 12 in.
The length of the prism is
l = 20 in.
total surface area = bh + (b1+b2+b3)*l
bh = 12*20 = 240 
l * (b1+b2+b3) = 20*(13 + 14+ 15) = 840 
TSA = bh + l * (b1 + b2 + b3) = 240 + 840 = 1080 
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The measure of an interior angle of a regular pentagon is 108 degrees.
Answer:
What is the question? there is only statement.
Answer:

Step-by-step explanation:
Given

-- Midpoint
Required
Find B
This question will be solved using midpoint formula;

Where


Substitute these values in the midpoint formula;

By comparison; we have:
-- (1)
-- (2)
Solving (1)

Multiply both sides by 2

Subtract 4 from both sides

Solving (2)

Multiply both sides by 2

Subtract 8 from both sides

Hence:
