find the area of the triangle given a = 14, c=21, and B=87°. Round your answer to the nearest tenth.

  143.8 units²

Step-by-step explanation:

Since you know the length of two sides and the measure of the included angle, you can use the following trig formula:

Given: a = 14, c = 21, B = 87°

Step-by-step explanation:

We can solve for the area of the triangle when two sides are given and the angle in between the two sides.

The area of the triangle is 146.8 units².

sas (side angle side)

aa(angle angle)

sss(side side side)

sas you have to find two sides with an angle in between

aa you find two angles because it will always add up to 180

sss find all sides

step-by-step explanation:

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.