Checkup 1 Flashcards
The longest side of a right triangle is called the ____________________.
hypotenuse
The greatest angle of a right triangle measures ______.
90 degrees
If one angle of a triangle is right or obtuse, then the other two angles are both ___________.
acute
A right isosceles triangle is also known as an _____________________ triangle.
45-45-90
A ________________ triangle has sides of three different lengths.
scalene
The longer leg of a 30-60-90 triangle is __ times longer than the shorter leg.
√3
The sum of the measures of the angles of any triangle is _______.
180 degrees
The sum of the lengths of the sides of any triangle is its __________________.
perimeter
The Law of ___________ allows us to find an angle measure when the lengths of the three sides of a triangle are known.
Cosines
Expression to find the area of the triangle
1/2(a)(b)(sinC)
The point in the polar plane that corresponds to the origin in the Cartesian plane is called the _______.
pole
The complex number a + bi has two parts; a is called the ______ part, and b is called the _______ part.
real; imaginary
The complex number 1 + 2i is written in ___________ form, whereas the complex number 2(cos 10 + isin 10) is written in ___________ form.
standard; polar
The ___________ of a complex number is its distance from the origin in the complex plane.
absolute value
If the three angles in one triangle have the same measure as the three angles in a second triangle, then the two triangles are __________-.
similar
