Calculate 71744

The triangle that connects on the dial:
a) 2,7,9
b) 3,6,10
Calculate the size of the interior angles.

Correct answer:

A =  75 °
B =  30 °
C =  75 °
X =  45 °
Y =  60 °
Z =  75 °

Step-by-step explanation:

φ=12360=30  α=27 φ=27 30=150  β=79 φ=79 30=60  γ=360αβ=36015060=150   A=α/2=150/2=75
B=β/2=60/2=30
C=γ/2=150/2=75
x=36 φ=36 30=90  y=610 φ=610 30=120  z=360xy=36090120=150   X=x/2=90/2=45
Y=y/2=120/2=60
Z=z/2=150/2=75



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You need to know the following knowledge to solve this word math problem:

geometryarithmeticplanimetricsUnits of physical quantitiesGrade of the word problem

 
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