To determine if the statement is sometime, always or never true.
Answer to Problem 28HP
Always
Explanation of Solution
Given:
Statement:
If the measures of the sides of a triangle are multiplied by 3, then the measures of the angles of the enlarged triangle will have the same measures as the angles of the original triangle.
By the definition of similar
If two triangles are similar, then the corresponding sides of the triangle are proportional and the angles of the triangles are congruent.
Given in the statement that the sides of one triangle is multiplied by 3 implies that the sides of one triangle is three times the sides of the another.
That is the sides of the triangle are proportional.
Therefore, by the SSS rule of similarity, if the all the three sides of the triangles are proportional, the sides are similar.
Therefore, by the definition of similar triangles,
The angles of the triangles are congruent which means that the angles remain the same even after the sides triangles are multiplied.
Therefore, the angles of the enlarged triangle will have be the same as that of the original triangle.
Conclusion:
Therefore, the given statement is always true.
Chapter 10 Solutions
Algebra 1
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