Printable worksheet ยท 2 of 4
Which facts fix the triangle? - Paper 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Triangles ABC and DEF have matching endpoint angles A=D=30 degrees and B=E=80 degrees, with included side AB=DE=10 cm. Separately two RIGHT triangles each have hypotenuse 15 cm and corresponding leg 9 cm. Establish a valid congruence condition before calculating. Equal angles alone do not fix size.
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