# muckle maths 2

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1. what is a perpendicular line ?
a line a right angles to another. A bit like the line across the top of the letter T
2. what do the anlges of a square add up to in degrees ?
360
3. how do you find the volume of a cuboid
times the length, by the width, by the height
4. Parallel lines are
lines that are the same distance apart for their entire length, like train tracks
5. an angle larger then two right angles is called a
reflex angle
6. the square root of a number is
the number multiplied by itself to make that number. So the square root of 25 is 5. (because 5x5 = 25)
7. the 8 positions of a compass, starting at north are...
north, north-east, east, south-east, south, south-west, west, north-west
8. what does congruent mean
it means the same shape and size
9. in a 3-d shape, like a dice or a ceral box, what is the vertex?
the point (or corner) of a shape
10. in a 3-d shape, like a dice or a ceral box, what is a face?
a flat side (like a face of a dice)
11. in a 3-d shape, like a dice or a ceral box, what is an edge?
where two faces meet
12. what do the angles of a triangle add up to in degree
180
13. Horizontal means
straight across, like the horizon
14. vertical means
straight up or down, like a drain pipe
15. oblique means ...
slanting
16. what is 0.25 as a fraction
1/4
17. what is the product
the figure when two numbers are multiplied together
18. what does the sum mean?
the answer when added togther. so the sum of 4, 6 and 4 is 14
19. how many kilometres in a mile
1.6 kilometres in a mile
20. so how many kilometres in 5 miles
8
21. weight. how many pounds in a kilogram?
2.2 punds to a kilogram
22. if you roll a dice, what are the chances of getting an even number
1/2 pr 50%
23. what is a factor
a number which will divide exactly into another number
24. what is 'the lowest term' ?
the simplest you can make a fraction. e.g 16/32 = 8/16 = 4/8 = 2/4 = 1/2.
25. What is an integer ?
a postive or negative whole number. e.g. 3, or -6, or 0, or -324, or 567
26. what is an icosahedron?
a shape with 20 faces
27. how many faces does a pentagon have
5