Question

Find the area of the triangle with 4 = 42º. b = 3 feet, and c= 5 feet. Round to the nearest tenth.​

Answer 1

Area = 5 sq ft

Explanation:

Area of a Triangle with Side angle side method is given by the formula given as under

`\ Area=(bc \sin A)/(2)`

In our problem we are given that

`A= 42`◦

`\sin 42=0.6691`

`b=3 \ feet`

`c=5 \ feet`

Putting these values in the formula we get

`\ Area=(3 * 5 \sin 42)/(2)`

`\ Area=(15 * 0.6691)/(2)`

`\Area=5.01`

Hence Area of the Triangle is 5 Sq Ft