SOLUTION: Find the area of a &#9651; that has a={{{ 8 }}}, b={{{ 12 }}} & included angle of {{{ 78 }}}�. A.) {{{ 35.26 }}} B.) {{{ 38.73 }}} C.) {{{ 43.12 }}} D.) {{{ 46.95 }}} Thanks.

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Question 1068422: Find the area of a △ that has a=, b= & included angle of �.
A.)
B.)
C.)
D.)
Thanks.
Found 3 solutions by Lightning_Fast, ikleyn, josgarithmetic:
Answer by Lightning_Fast(78)   (Show Source):
You can put this solution on YOUR website!
Is it a right triangle? If not, where is the included angle positioned in relation to the sides of a and b?

Answer by ikleyn(52781)   (Show Source):
You can put this solution on YOUR website!
.
The area = = .

Use your calculator.

Answer by josgarithmetic(39617)   (Show Source):
You can put this solution on YOUR website!
Choose b=12 as the base.

Find the height using a=8 as a hypotenuse of a right triangle and the given angle.
If y is the height , then
.

You want area according to the question.

--------simplify and compute this.

SOLUTION: Find the area of a &#9651; that has a={{{ 8 }}}, b={{{ 12 }}} & included angle of {{{ 78 }}}�. A.) {{{ 35.26 }}} B.) {{{ 38.73 }}} C.) {{{ 43.12 }}} D.) {{{ 46.95 }}} Thanks.

SOLUTION: Find the area of a △ that has a={{{ 8 }}}, b={{{ 12 }}} & included angle of {{{ 78 }}}�. A.) {{{ 35.26 }}} B.) {{{ 38.73 }}} C.) {{{ 43.12 }}} D.) {{{ 46.95 }}} Thanks.