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Decide whether triangles \(ABC\) and \(DEC\) are similar. Explain or show your reasoning.
What is the length of segment \(DF\)?
3 units
\(\frac{81}{4}\) units
36 units
48 units
In triangle \(ABC\), angle \(A\) is 75º and angle \(B\) is 20º. Select the triangle that is similar to triangle \(ABC\).
triangle \(DEF\) where angle \(D\) is 75º and angle \(E\) is 20º
triangle \(DEF\) where angle \(D\) is 20º and angle \(E\) is 75º
triangle \(DEF\) where angle \(D\) is 85º and angle \(E\) is 20º
triangle \(DEF\) where angle \(D\) is 20º and angle \(F\) is 85º
Sketch a pair of rectangles that are similar.
Determine if each statement must be true, could possibly be true, or definitely can't be true. Explain or show your reasoning.
Two line segments are similar.
Two angles are similar.
Figure \(G’\) is the image of Figure \(G\) by a dilation.