Classifying Triangles
What is a triangle with No Equal Sides or Angles called?
Scalene triangle
Number of angles in a triangle.
3 angles
What is SSS
Side Side Side (All corresponding sides in the two triangles aree qual to each other)
Name one property of a trapezium.
• One pair of parallel sides
• No axes of symmetry
What triangle has two adjacent equal sides?
Isosceles Triangle
What is a triangle with Two equal sides and angles called?
Isosceles
The value of all three angles in a triangle added together.
180 degrees
If two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, then these two triangles are congruent. What conruence test is this?
SAS
Name two properties of a Kite.
• Two pairs of equal adjacent sides
• One pair of opposite angles equal
• One axis of symmetry
• Diagonals intersect at right angles
Solve 4(2r+1)=28
r=3
What is a triangle with All sides and angles are equal called?
Equilateral
When two lines intersect the opposite angles are equal to each other, what are they called?
vertically opposite angles
If two angles and the included side of one triangle are equal to two angles and the included side of another triangle, then these two triangles are congruent.
What is ASA
Which of the following is NOT a property of a Rectangle?
a) Four angles that add up to 360 degrees
b) Two axes of symmetry
c) A special type of parallelogram
d) Diagonals are equal and bisect each other
a) Four angles that add up to 360 degrees
If a shape has all angles equal, what term is used to describe it?
Equiangular
What is a triangle that has an angle whose measurement is greater then 90 degrees called?
Obtuse-angled
The little box in the corner of a triangle represents how many degrees?
90 degrees
If two angles and the non-included side one triangle are equal to two angles and the non-included angle of another triangle, then these two triangles are congruent.
What is AAS
Name four properties of a rhombus.
• Four equal sides
• Two axes of symmetry
• A special type of parallelogram
• Diagonals bisect each other at right angles
• Diagonals bisect the angles of the rhombus
If a laptop costs $1350 inc GST, calculate it's cost before GST to two decimal places.
$1227.27
What is a triangle with with all angles measuriong less then 90 degrees called?
Acute-angled
What is the Exterior Angle Theorem?
An exterior angle of a triangle is equal to the sum of the two opposite interior angles.
If three sides of one triangle are equal to three sides of another triangle, then these two triangles are congruent.
What is SSS
Name all five properties of a square
• Four equal sides, four angles of 90 degrees
• Four axes of symmetry
• A special type of rhombus and rectangle
• Diagonals are equal and bisect each other at right angles
• Diagonals bisect the angles of the square
The entry fee for the Melbourne Show is $20 per adult and $8 per child. The cost of each ride is $5 per person. Stephen’s family (2 parents and 3 children) went to the Show and spent $164 on rides and entrance tickets. If the whole family always went on rides together, how many rides did they go on?
4 rides