ABCD is a rectangle. If m<5=2x-30 and m<6=3x, find x.
ABCD is a rectangle. If m<5=2x-30 and m<6=3x, find x.
Find the sum of the measures of the interior angles of a convex 35-gon.
ABCD is a rectangle. If m<5=2x-30 and m<6=3x, find x.
If the measure of each interior angle of a regular polygon is 168˚,
find the number of sides of the polygon.
Find the measure of each exterior angle of a regular 24-gon.
QRST is a rhombus. If m<8=3x+15, find x.
The sum of the interior angles of a convex regular polygon is 2,700°. How many sides does the polygon have?
QRST is a rhombus. If QR=3x-64 and SR=2x-12, what is x?
A convex HEXAGON has interior angles with measures (5x+11), (4x-1), (4x-15), (6x+19), (x-4) and (5x+5). Find x. (round to the tenths place)
In parallelogram ABCD, m<A=64. Find m<B.
What value of x proves Rhombus QRST?
ABCD is a square. If AB=6 and DE=5, what is DB?
DEFG is a rhombus with m<EFG=28. What is m<GDE?
Given rectangle ABCD, find x if m<ACD=5x-20 and m<ACB=x+20.
Which of the following is not true about a rhombus? (use the quadrilateral family tree)
Find MK in rectangle JKLM if JK=15 and JM=8. (hint: draw diagonal MK and use the right triangle from last unit to solve)
Which of the following quadrilaterals which one has diagonals that are perpendicular? (Check the quadrilaterals family tree)
Which of the follwoing properties are valid about the diagonals of a square? (use the quadrilateral family tree)
What is the length of AE in rectangle ABCD? (1) solve for x. (2) substitute x back into the expression for AE.
Given square JKLM, JK=16. Find JL
hint: draw the diagonal JL and use the right triangle from last unit to find your answer.
QRST is a rhombus. If m<2=6x+30 and m<7=3x+60, what is x?