-A rectangle<span> is a four-sided shape each angle is a </span>right angle<span>.
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-A rhombus is a four-sided figure and all sides have equal length. Opposite sides are parallel and opposite angles are equal.
-A square has equal sides and every angle is a right angle. Opposite sides are parallel.
-A parallelogram<span> has opposite sides parallel and the sides lengths are the same. Opposite angles are equal </span>
Answer:
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Answer:
The algebraic expression is 80d
Step-by-step explanation:
Maria's earnings per day = $80
Number of days= d
Total earnings for d days:
80d
Where,
80 is earnings per day
d is number of days
The algebraic expression is 80d
Algebraic equation is
y= 80d
Where
y= total income earned in d days
The expression is different from am equation because of the equal to sign(=)
Angles in triangle add to 180 degrees
20x=180
x=9
Angle ABC is the top one
8x9=72