Step-by-step explanation:
It is all done I am not sure if it is correct
Answer:
w + 2.3 > 18
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75+75×15/100=75+11.25=86.25$
since line AB and CD make all right angles (given) angles 6+7+8 will equal 90 degrees.
According to the verticle angles rule:
angle 2 is equal to angle 6
angle 3 is equal to angle 7
angle 4 is equal to angle 8.
which proves that angle 2+4+7=90 degrees
