3 years ago

A different way of proving the angle sum of a triangle is to use diagram

Mathematics

1 answer:

marishachu [46]3 years ago

7 0

a.yes

Step-by-step explanation:

a.angle BCD =b because angle BCD is alternate angle of angle ABC

b.the two angles angle BAC and angle ACD is co-interior angle because they are inside a parallel line

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