In a right triangle there are 2 legs and a hypotenuse. The way you can tell if it's a right triangle is by finding the slope of both the legs. If their slopes are opposite reciprocals of each other, then they are perpendicular. By definition, perpendicular lines meet to create a right angle.
Answer:
The <em>surface area</em> of the cube is equal to 216 cm².
General Formulas and Concepts:
<u>Geometry</u>
Surface Area Formula [Cube]:

- <em>a</em> is a side length
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify given variables</em>.
<em>a</em> = 6 cm
<u>Step 2: Find Surface Area</u>
- [Surface Area Formula - Cube] Substitute in <em>a</em>:

- Evaluate:

∴ we have found the surface area of the cube to be 216 cm².
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Topic: Geometry
-2f(x) means it is reflected and has a negative slope.
and for the 2 it means that the graph is compressed horizontally by factors of units
if it's less than 2 it would have been stretched, but since it's greater than 1 it is compressed.
Answer:
30 Degrees
Step-by-step explanation:
all triangles are 180 degrees, therefore 180-130-20=30
:)