Johnny is wanting to prove that parallelogram ABCD is a rectangle. He shows that opposite sides are congruent and opposite parallel. Can he conclude ABCD is a rectangle ? Why or why not. Explain your reasoning in complete sentences.

No, because the statement explains a parallelogram also.

Step-by-step explanation:

A rectangle is a quadrilateral that has four sides which has a set of equal opposite sides that are parallel to each other. The sum of all angles in a rectangle =

No, he can not conclude that ABCD is a rectangle with the statement because the statement is applicable to a parallelogram also. He could add that opposite sides are straight and parallel. So that:

<ABC = CDA = (right angle property)

<DAB = <BCD = (right angle property)

The percentage increase in Spencer’s height is 125 %

Solution:

Initial height of spencer = 28 inches  

Increased height of spencer = 5 feet 3 inches  

= 5 feet + 3 inches  

(5 feet = 5 ×12=60 inches)

= 60  + 3