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Geometry Midterm Study Guide
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Terms in this set (17)
Lesser than
For Transformations, when a figure goes from smaller to larger, the scale factor is ___________.
Greater than
For Transformations, when a figure goes from larger to smaller, the scale factor is ___________.
One
For Transformations, when a figure stays the same, the scale factor is ___________.
Congruent
In similar triangles, corresponding angles are _________.
Proportional
In similar triangles, corresponding angles are ____________.
a. MR ≅ CH, RY ≅ HS and YM ≅ SC (Side Side Side Correlation)
b. MR ≅ CH, <R ≅ <Y and RY ≅ HS (Side Angle Side Correlation)
c. <M ≅ <C , MR ≅ CH, and <R ≅ <H (Angle Side Angle Correlation)
d. <M ≅ <C, <R ≅ <H and RY ≅ HS (Angle Angle Side Correlation)
For ∆MRY and ∆CHS , corresponding congruent parts are given. For each case, the triangles congruent by...
Congruent
Corresponding Parts of Congruent Triangles are ...
180º
In a triangle, the sum of the angles equal...
90º
In a right triangle, the sum of the acute angles equal...
In a triangle, the sum of the angles are...
90º orIn a triangle, the sum of the angles are...
In a right triangle, define - Sine of an acute angle
Opposite/Hypotenuse
In a right triangle, define - Cosine of an acute angle
Adjacent/Hypotenuse
In a right triangle, define - Tangent of an acute angle
Opposite/Adjacent
In a right triangle, write the complement relationships - Sine of an acute angle is ________ ________ cosine of the complement
Sine of an acute angle is EQUAL TO cosine of the complement
In a right triangle, write the complement relationships - Cosine of an acute angle is ________ _______ sine of the complement
Cosine of an acute angle is EQUAL TO sine of the complement
In a right triangle, write the complement relationships - Tangent of an acute angle is __________ ___________ _________ tangent of the complement
Tangent of an acute angle is THE RECIPROCAL OF tangent of the complement
In a right triangle, ∆ABC, angle C is the right angle. This Means...
sin A = cos B
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