Geometry
Quadrilaterals
Quadrilateral Formulas

Quadrilateral Formulas

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Question 1:

1 pts

d = a\sqrt{2}

is a diagonal of a square.

Question 2:

1 pts

Which formula can be used to find the perimeter of the quadrilateral shown on the picture?

	$P=a \cdot b \cdot c \cdot d$
	$P=a+b+c+d$
	$P=a\cdot b+c\cdot d$
	none of these

Question 3:

1 pts

Area of parallelogram =

\dfrac{\mbox {base height}}{2}

\dfrac{b\cdot h}{2}.

Question 4:

1 pts

Area of rhombus =

\dfrac{d_{1}\cdot d_{2}}{2}.

Question 5:

2 pts

Which of the following expression is NOT correct?

Question 6:

1 pts

Is the folowing expression true or false?

\theta = 90^{\circ}

Question 7:

2 pts

Area of Isosceles Trapezoid =

\dfrac{(a+b)\cdot h}{2}.

Question 8:

2 pts

Which formula can be used to find the altitude of the quadrilateral shown on the picture?

h^{2}=

Question 9:

3 pts

Which formula can be used to find the diagonal

d

of the quadrilateral shown on the picture?

Question 10:

3 pts

Which formula can be used to find the circumradius

R

of the quadrilateral shown on the picture?

R=

Question 11:

3 pts

Is the folowing expression true or false?

d_{1}=a

Question 12:

3 pts

Is the folowing expression true or false?

r=\dfrac{x}{2}

Quadrilateral Formulas

Triangle

Quadrilateral

Circle

Polygons