39.
Did you label the right triangle and vector diagram like the ones below?
Vector diagram.
Right triangle.
40a. The vertical side of the right triangle is equivalent to the ________
vector.
40a. y
b.
The horizontal side of the right triangle is equivalent to the
_____________ vector.
40b. x
c.
The side of the right triangle opposite the 90angle is called the
______________
40c. hypotenuse
d.
The hypotenuse is equivalent to the ________________ vector.
40d. r (resultant)
41a. In addition to having three sides, all triangles have three angles.
The sum of these three angles is always 180. In a right triangle,
since one angle is 90, the sum of the other two angles must equal
__________________.
41a. 90
b.
If one of these two angles (other than the 90 angle) equals 30, the
third angle equals _____________.
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IT0350
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