




Formula used = (a + b) (a - b) = a² - b²
Answer:
I believe it to be C
Step-by-step explanation:
Answer:
19/20
Step-by-step explanation:
To find the angle Q we can us the sin law so:

So we can solve for Q so:
Answer:
4 units
Step-by-step explanation:
A triangle has vertices on the coordinate grid at points D (3, -3), E (0, 2), and F (-1, -3). What is the length, in units, of DF ?
A triangle is a polygon with three sides and three angles.
The distance between two points
on the coordinate plane is given by:

Given A triangle with vertices at points D (3, -3), E (0, 2), and F (-1, -3). The length of side DF is given as:
