Question

find the area of a triangle with sides 5, 7 an angle 65

Answer 1

ok what is the hypotenuse

Answer 2

I would say 7 because it is longer

Answer 3

oh ok

Answer 4

whats the base if it says and is it a right triangle

Answer 5

the info i typed above is the only info there is. length of the side 5, and 7 with a 65 degree angle I would assume i is a right angle

Answer 6

ok one more qeustion what are your choices

Answer 7

No choices, it says round your answer to one decimal point

Answer 8

You should not assume it is a right triangle if it is not given so.

Answer 9

ok, then how do I work it out?

Answer 10

Use this:

If a,b are the sides and C is the angle between them. Then

Area of triangle=(1/2)(ab sin C)

Answer 11

ok

Answer 12

is it 17.5

Answer 13

Trust your calculator. I am off.