Answered

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PLEASE HELP URGENT 20 POINT REWARD AND BRAINLIEST FOR CORRECT ANSWER!!

In triangleABC, angleA= alpha, angleB = Beta. angleC = y, AB=C, AC = b, and BC = a. Find the
area of the triangle if
b=21, c =15, and a = 72º.

Sagot :

akposevictor

The area of the triangle is: 149.8 units²

How to Find the Area of an SAS Triangle

  • The formula for the area of a triangle with two sides and an included angle is: Area = ½(b)(c)(sin A)

Given the following:

  • A = 72º
  • b = 21
  • c = 15

Plug in the values into the formula:

Area = ½(b)(c)(sin A)

Area = ½(21)(15)(sin 72)

Area of triangle = 149.8 units²

Learn more about area of SAS triangle on:

https://brainly.com/question/14879422

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