Everything is in the attachment below !
Name the angle in (4) different ways.
1 answer:
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Given:
The figure of a quadrilateral ABCD.
To find:
The perimeter of the quadrilateral ABCD.
Solution:
In an isosceles triangle, the two sides and base angles are congruent.
In triangle ABD,
[Given]
is an isosceles triangle [Base angle property]
[By definition of isosceles triangles]
...(i)
In triangle BCD,
[Given]
All interior angles of the triangle BCD are congruent, so the triangle BCD is an equilateral triangle and all sides of the triangle area equal.
[Using (i)] ...(ii)
Now, the perimeter of quadrilateral ABCD is:
Therefore, the perimeter of the quadrilateral ABCD is 35 units.
So, he usually does 55 only, but this one day he did 77, 77 - 55 is 22, so he did 22 more this one day.
if we take 55 to be the 100%, what is 22 off of it in percentage anyway?
if we take 55 to be the 100%, what is 22 off of it in percentage anyway?