Question

What is the length of AB?
Answer
13 cm
18 cm
22.98 cm
25.32 cm

Answer 1

You would use sin,cos, and tan to solve

Answer 2

yeah

Answer 3

Do you know how to solve and just want us to?

Answer 4

show me how to please

Answer 5

ok, first off look at http://www.mathsisfun.com/sine-cosine-tangent.html

and tell me what one you would need for the left one

Answer 6

tan I think

Answer 7

@annas, you can help her the rest, you are better than I

Answer 8

Nah your both equally smart. Thank you both!

Answer 9

he can explain it better though

Answer 10

annas?

Answer 11

can u help?

Answer 12

wait let me understand the question

Answer 13

are the answers given?

Answer 14

nope

Answer 15

but your answer is 25.2

Answer 16

ty

Answer 17

this is a case of AAS angle angle side

Answer 18

we'll divide the diagram into to angles
for triangle A we are given 45 and 90 angles and a side 8
for triangle B 30 and 90 angles are given and a side 10 is given
to find unknown angle 180- 90+45 and 180-30+90
to find base length use a/sinA = c/sinC