Similar triangles
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Lessons
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Examples
Lessons
- Determine if the triangles are similar.
- Which triangles are similar?
Triangle Angles Sides ABC A =90°
B =45°
C =45°AB=12.5
BC=17.7
AC=12.5DEF D =90°
E =45°
F =45°DE=10
EF=14.2
DF=10GHI G =90°
H =60°
I =30°GH=13.8
HI=27.6
GI=23.9JKL J =90°
K =45°
L =45°JK=5
KL=7.1
JL=5 - ABC and DEF are similar triangles. Calculate the missing side length.
- A wood made ramp needs one supporting beam (y) for reinforcement. How long should the supporting beam be?