The sum of the sides of a quadrilateral is equal to 360º.
x= 4th angle measurement
We have the following equation:
90+156+28+x=360
x=360-90-156-28
x=86
Answer: the size of the 4th angle would be 86º.
1st: 5x-20+2x (distribute the 5 to the numbers in the parenthesis) distribution property
2nd: 7x-20 (add like terms aka 5x and 2x) I believe commutative property of addition
Finished!
The volume would be 840 feet
destiny describes the relationship between the substance and volume of a sample of a substance it was little bit ez
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Answer:
7
Step-by-step explanation:
the legs of a 45°- 45°- 90° triangle are congruent , then
one leg = 7
the other leg = 7
