Triangles
A triangle has angles of 60°, 60° and 60°. What type of triangle is it?
Equilateral
How many sides does a quadrilateral have?
4
Two parallel lines are crossed by a transversal. If one corresponding angle is 70°, what is the corresponding angle on the other line?
70°
Translate point (3,2) by (+2,+1).
(5,3)
Evaluate 42
16
A triangle has side lengths 5 cm, 5 cm and 7 cm. What type of triangle is it?
Isosceles
Name the quadrilateral with:
Square
Two parallel lines are crossed by a transversal. One alternate angle is 120°. What is the matching alternate angle?
120°
Translate point (-4,5) by (+3,-2).
(-1,3)
Simplify: 3x + 5x
8x
A triangle has angles of 90°, 35° and __. Find the missing angle.
55 degrees
Which quadrilateral always has exactly one pair of parallel sides?
Trapezium
One co-interior angle is 110°. Find the other co-interior angle.
70°
Triangle vertices:
A(1,1) B(3,1) C(2,4)
Translate by (-2,+3).
A(-1,4) B(1,4) C(0,7)
A rectangle has a length of 8 cm and a width of 5 cm.
Find its area.
8×5=40 cm2
Can a triangle have angles of 100°, 50° and 40°? Explain why or why not.
No. Angles add to 190°, not 180°.
A quadrilateral has angles: 90°, 80°, 110° and __
Find the missing angle.
80° (Angles in a quadrilateral sum to 360°)
A transversal crosses parallel lines.
One angle is 45°.
List all possible angle sizes that would appear in the diagram.
45° and 135°
Point P is at (2,-1).
After a translation it is at (7,3).
Describe the translation.
(+5,+4)
A shop advertises:
20% off a $75 item
What is the sale price?
20% of 75=15
75−15=60
Sale price = $60
A triangle has one angle twice as large as another. The third angle is 60°. Find all three angles.
40°, 80°, 60°
A quadrilateral has:
What is the most specific name for the shape?
Rhombus
Two parallel lines are crossed by a transversal.
One angle is 65°.
A second angle is:
What could the second angle be?
115°
A triangle is translated.
One vertex moves from (2, 3) to (7, -1).
Without seeing the triangle, determine where the vertex (-4, 5) will move.
The translation is:
(−4+5, 5−4)
Answer: (1,1)
Solve:
3x+7=28
3x=21
x=7