Maths Yr 10 Flashcards
1
Q
How do you do compound interest?
A
Starting number x 1.0(percentage)=answer
2
Q
What do the exterior angles of a polygon add up to?
A
360 degrees
3
Q
Index laws rules
A
G^5 + G^2 = G^7
H^6/H^2= H^4
(K^4)^2 = K^8
4
Q
How to factorise
A
A^2 + BX + C
+/- to make B
x to make C
5
Q
Area of a circle
A
|-|R^2
6
Q
Circumference
A
|-|d
7
Q
Area of a sector
A
X/360 x |-| x R^2
8
Q
Length of an arc
A
X/360 x |-| x d
9
Q
Area of trapezium
A
1/2(a+b)h
10
Q
Area of a parallelogram
A
Base x height
11
Q
Area of triangle
A
Base x height
______________
2
12
Q
Volume of prism
A
Area of cross section x depth
13
Q
What is pythagoras’ theorem
A
a^2+b^2=c^2
14
Q
Volume of a pyramid
A
Area of base x height
______________________
3
15
Q
Volume of a cone
A
|-| x r^2 x h
____________
3
