Two sides of a triangle are 40 and 50 inches long. If the included angle is 125, find the area of the triangle in square inches? Round to 2 decimal places.
1 Answer
Apr 11, 2018
Explanation:
#"the area (A) can be calculated using"#
#•color(white)(x)A=1/2a bsinC#
#"where a, b are 2 sides and C is the included angle"#
#"here "a=40, b=50" and "C=125^@#
#rArrA=1/2xx40xx50xxsin125^@#
#color(white)(rArrA)~~81.92" inches"^2" to 2 dec. places"#
