Did the question give you any lengths of the sides?
Answer:
A'(-3, 0) B'(0, -1) C'(1, -4)D'(-3, -5)
Step-by-step explanation:
You find each dot and move 2 squares left and 4 squares down.
You now find the first number by finding which x-values it is above/below on the x-axis (horizontal bold line).
Then for the second by finding which y-values it is beside on the y-axis (vertical bold line).
Area of the pentagon: 342 cm2
Step-by-step explanation:
The figure of the pentagon is missing: find it in attachment.
The area of the pentagon can be seen as the area of 5 equal triangles, each of them having a base equal to the length of the side of the pentagon,
L = 14.1 cm
and the height of each triangle can be found by using Pythagorean's theorem:
The area of each of the 5 triangles is
Therefore, the area of the pentagon is 5 times this area:
Learn more about area of regular figures:
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Answer: it way be 72.60$ but i’m not sure
(t-1)(t+1) = t^2-1 through the difference of squares rule
So,
(t-1)(t+1)(t^2+1)
(t^2-1)(t^2+1)
(x-1)(x+1) ... let x = t^2
x^2-1 .... another application of the difference of squares rule
(t^2)^2 - 1... plug in x = t^2
t^4 - 1