Angle in the Chat
Name a pair of consecutive interior angles.
3 and 5
4 and 6
Find the value of x.
x=20
How many lines of symmetry does an isosceles triangle have?
Draw them.
1
Point A(2,−1) is translated 3 units right and 4 units up.
What are the coordinates of A′?
(5,3)
A picture of a cat on a meme page has coordinates (2,4). After being resized for the internet, the cat appears at (6,12).
What is the scale factor of the dilation?
k=3
Name a pair of alternate interior angles.
3 and 6
4 and 5
Find the value of z.
z=8
How many lines of symmetry does a rectangle?
Draw them.
2
Point B(−4,2) is reflected over the y-axis.
What are the coordinates of B′?
(4,2)
A school logo on a flyer starts at point (−3,5). On a poster, the logo is enlarged to (−6,10).
What scale factor was used?
k=2
Name a pair of alternate exterior angles.
1 and 8
2 and 7
Find the value of y.
y=12
How many lines of symmetry does a hexagon have?
Draw them.
6
Point C(3,−2) is rotated 90° counterclockwise about the origin.
What are the coordinates of C′?
(2,3)
A sandwich on the cafeteria menu is drawn with a length of 4 inches. The “actual” sandwich photo shows it as 10 inches long (marketing at work).What is the scale factor?
k=2.5
Name a pair of corresponding angles.
1 and 5
2 and 6
3 and 7
4 and 8
Find the measure of angle 1 and angle 3.
53 degrees
How many lines of symmetry does the capital letter A have?
Draw them.
1
Triangle DEF has vertex D(1,2).
If the triangle is dilated by a scale factor of 3 centered at the origin, what are the coordinates of D′?
(3,6)
A student designs a mascot that is 7 units tall in the original drawing. For the yearbook, it is shrunk to 3.5 units tall so it fits on the page.
What is the scale factor?
k=0.5
Name a pair of vertical angles.
1 and 4
2 and 3
5 and 8
6 and 7
Find the measure of angle 2 and angle 4.
127 degrees.
How many lines of symmetry does a pentagon have?
Draw them.
5
Point E(−2,5) is reflected over the x-axis, then translated 4 units left.
What are the final coordinates of E′?
(-6,-5)
A video game character starts at point (4,−6). After hitting a “shrink ray,” the character moves to (1,−1.5).
What is the scale factor of the dilation?
k=0.25