2. You see them in your face:

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To sum up, <em>corresponding parts of congruent triangles are always congruent</em> [<em>CPCTC</em>].
1. The edge and angle markings of both triangles represent all corresponding parts. Each angle and edge corresponds with another angle and edge.
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Answer:
29
Step-by-step explanation:
Look at image
255 is the best answer because 36 x 7 = 252 + 3 = 255 ... I tried to make that as short as can be
Answer: 21
Step-by-step explanation:
since 19 is the breadth and the perimeter is 80m, so 19*2=38 and 80-38= 42 so 42/2=21. The answer is 21