5. Diedre drew a quadrilateral with 4 rightangles and opposite sides of the samelength. Name all the kinds of polygons thatcould
be Diedre's quadrilateral
2 answers:
Answer:
Rectangle
Step-by-step explanation:
Given : Deidre drew a quadrilateral with 4 right angles and opposite sides of the same length.
To find : Name all the kinds of polygons that could be Deidre's quadrilateral ?
Solution :
Deidre drew a quadrilateral with 4 right angles and opposite sides of the same length.
Refer the attached figure below.
The right angles is at A,B,C ,D and
Opposite sides are equal AC=BD and AB=CD
This polygon is a rectangle.
As rectangle is a quadrilateral with four right angles. Opposite sides are equal in length.
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Answer:
Option d. 4
Step-by-step explanation:
The correct expression is
we know that
To find the value of the expression we will substitute the given value of x and y in the expression.
For x=32, y=2
substitute
Answer:
(a) and
(b) The sample variance is and the sample standard deviation is
Step-by-step explanation:
(a)
The sum of these 17 sample observations is
and the sum of their squares is
(b)
The sample variance, denoted by , is given by
where
Applying the above formula we get that
The sample standard deviation, denoted by <em>s</em>, is the (positive) square root of the variance:
Applying the above formula we get that