presentation?pin=NCUF7 #co Gigel Munter.com - Fr. Ruslar Merajuiceshoot (1500) Pert C Cheve Petar Problem 1 Complete the missing
1 answer:
The angle A=180-37=143 degrees
and the angle B is equal to the angle A because l and m are parallel line then B=143 degrees
angles C and D are equal to A and B too, then C=D=143 degrees
angles G, E and F are equal to the given angle because they are opposite by the vertex and alternal internal, then G=E=F=37 degrees
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In matrix form, this is
The coefficient matrix has determinant
so it has an inverse, which is
Multiply both sides by the inverse matrix:
so that and
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