Use the triangle angle theorem:
All interior angles of a triangle equal 180 degrees.
If you use the theorem you should get the first one 19,70,91
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A.) True - Both cones and Pyramids have only one base
Answer:
x=1
Step-by-step explanation:
5
−
3
x
=
x
+
1
Move all terms containing x to the left side of the equation.
5
−
4
x
=
1
Move all terms not containing x to the right side of the equation.
−
4
x
=
−
4
Divide each term by −
4 and simplify.
x
=
1