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Chapter 8: Q. 15 (page 541)

In the given question find the area of the triangle. Round the answers to two decimal places.

b=1,c=3,A=80掳

Short Answer

Expert verified

Required area of the triangle is1.48squareunits

Step by step solution

01

Step 1. Given information

From the given triangle we can find the area of the triangle by the following formula:

Area=12脳b脳c脳sinA

02

Step 2. Calculation

Fromtheabovefigure,theareaofthetriangleis:

Area=12脳b脳c脳sinA

Given,b=1,c=3,A=80掳Area=12脳1脳3脳sin80掳=1.5脳sin80掳=1.5脳0.9848=1.4772鈮�1.48squareunits

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