Triangles

Which type of triangle has 2 equal angles?
1. scalene
2. equilateral
3. right-angled
4. isosceles
What do all the angles in a triangle add up to?
1. 90
2. 180
3. 360
4. 60
Angles less than 90 are...
1. acute
2. obtuse
3. straight
4. right
A triangle where all the angles are 60 is ....
1. isosceles
2. equilateral
3. right
4. scalene
An angle bigger than 90 and less than 180 is ....
1. right
2. acute
3. obtuse
4. straight
The triangles Pythagoras worked on are ....
1. scalene
2. right
3. equilateral
4. isosceles
What is the name of the longest side of a right-angled triangle?
1. hippopotamus
2. hippodrome
3. hyperactive
4. hypotenuse
Which one of these is Pythagoras' theorem?
1. The long side squared is equal to the other two sides squared and subtracted.
2. The long side squared is equal to the other two sides squared and added together.
3. The shortest side squared is equal to the other two sides squared and added together.
4. The long side is the sum of the other two sides.
If a shape has 4 sides and all the angles are 90 degrees, what is it?
1. parallelogram
2. quadrilateral
3. rhombus
4. square
If a shape has 4 sides and none of them are the same length, what is it?
1. square
2. parallelogram
3. rhombus
4. quadrilateral