The answer is D. dividing both sides by 4 isolates the variable
1) 180-(44+45)=91
2) 180-(53+37)=180-90=90
Answer:
2°
Step-by-step explanation:
Hello
I see you are very confused by this problem. However, there is an easy way to solve this one.
It has been proved that the sum of all angles in a rectangle is always 180°. Here is a way to prove it:
x y
_______A_________
/\
/ \
/ \
/ \
___/_______ \__
B C
we have two parellel lines xy and BC. It is true that:
xAy = 180°
xAB + BAC + CAy = xAy = 180
xAB = ABC
CAy= ACB
=> ........
I'll let you finish with your great intellect ^_^
HOPE YOU LEARN WITH JOY AND GOOD GRADE
Answer:
option 1
Step-by-step explanation:
÷ 
• leave the first fraction
• change division to multiplication
• turn the second fraction 'upside down'
= × 
( cancel 5 and 10 by 5 )
= 
× 
= 
