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Similar Triangles
By Hilda Ngo
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Last updated almost 6 years ago
9 questions
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Question 1
1.
Question 2
2.
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title
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The two triangles shown are similar.
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G.SRT.5
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Question 8
8.
Calculate the scale factor for the original triangle and its larger image. Show your working out.
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Question 9
9.
Find the unknown side length of these similar triangles using scale factor. Show working out.
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Congruent triangles:
have all sides the same
have all angles the same
are all different sizes
are the same shape
Similar triangles:
have all angles the same
are the same shape
have all sides the same
can be different sizes
Question 3
3.
In 🛆ABC, which vertex (corner) corresponds to vertex E?
Question 4
4.
In 🛆ABC, which angle corresponds to ∠D?
Question 5
5.
In 🛆DEF, which side corresponds to BC?
Question 6
6.
Question 7
7.
Use the scale factor to compare ratios:
Are these two isosceles triangles similar?
Yes
No
If they are similar, which similarity statement describes the relationship?
The triangles are NOT similar.
â–³ABC ~ â–³EFG, by SSS
â–³ABC ~ â–³GEF, by SSS
â–³ABC ~ â–³FGE, by SSS
