Formulas Flashcards
1
Q
What formula will help solve the length of a side of an irregular triangle?
A
a/sin(A) = b/sin(B)
2
Q
What formula will help solve an angle of an irregular triangle?
A
sin(A)/a = sin(B)/b
3
Q
What formula do you need to solve the area of an irregular triangle?
A
1/2 x ab x sin(C)
4
Q
How do you multiply surds?
A
√a x √ b = √ab
5
Q
How do you divide surds?
A
√a ÷ √ b = √a/b
6
Q
How do you add surds?
A
Simplify surds to the same surd then add the outer numbers keeping the surd the same
7
Q
What is the format of a circle graph equation?
A
x² + y² = (radius)²
8
Q
What is the formula of an exponential graph?
A
y=k to the power of x
