Find and draw all lines of symmetry in the following figures. If there are none, write “none.”
For each triangle , state whether it is acute, obtuse, or right and whether it is isosceles, equilateral, or scalene.
Angles (acute, obtuse, or right):
Sides: (scalene, equilateral, or isosceles):
Angles (acute, obtuse, or right):
Sides: (scalene, equilateral, or isosceles):
Angles (acute, obtuse, or right):
Sides: (scalene, equilateral, or isosceles):
How many lines of symmetry does a circle have? What point do all lines of symmetry for a given circle have in common?
In the following figure QRST is a rectangle. Without using a protractor, determine the measure of ∠RQS. Write an equation that could be used to solve the problem.
Blank 2 is your operation symbol.
∠RQS =
Find the measure of D and explain how the measure of angle d can be found without using a protractor.
In this figure, Q, R, and S lie on a line. Find the measure of QRT and explain how the measure of the unknown angle QRT can be found without using a protractor.
In this figure, Q, R, and S lie on a line. Find the measure of ∠QRT and explain how the measure of the unknown angle ∠QRT can be found without using a protractor.
Mike drew some two-dimensional figures. Sketch the figures and answer each part about the figures that Mike drew.
He drew a four-sided figure with four right angles. It is 4 cm long and 3 cm wide.
For question 8, what type of quadrilateral did Mike draw?
Mike drew some two-dimensional figures. Sketch the figures and answer each part about the figures that Mike drew.
He drew a quadrilateral with four equal sides and no right angles.
For question 10, what type of quadrilateral did Mike draw?
Mike drew some two-dimensional figures. Sketch the figures and answer each part about the figures that Mike drew.
He drew a triangle with one right angle and sides that measure 6 cm, 8 cm, and 10 cm.
For question 12, classify the type of triangle Mike drew based on side length and angle measure.
Points F, J, and H lie on a line. What is the measure of ∠KJH if ∠FJK measures 45 degrees?
∠KJH=
Write an equation that could be used to determine the measure of ∠KJH.
Blank 3 should be your operation symbol
Mike used a protractor to measure ABC as shown below and said the result was exactly 130°. Do you agree or disagree? Explain your thinking.
Use a protractor to find the measure of the angle.
Construct an angle that has a measure of 130°.
