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Chapter 8: Q. 55 (page 542)

What do you do first if you are asked to find the area of a triangle and are given three sides?

Short Answer

Expert verified

The first thing we do in finding the area iss=12(a+b+c)

Step by step solution

01

Given information

We are given all three sides of triangles

02

Write the formula for parameter

When we know all three sides of triangle to find the area we first find the formula

s=12(a+b+c)

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Most popular questions from this chapter

Finding Distances A forest ranger is walking on a path inclined at 5掳 to the horizontal directly toward a 100-foottall fire observation tower. The angle of elevation from the

path to the top of the tower is 40掳. How far is the ranger from the tower at this time?

The displacement d (in meters) of an object at time t (in seconds) is given d=-3sin(12t)

(a) Describe the motion of the object.

(b) What is the maximum displacement from its resting position?

(c) What is the time required for one oscillation?

(d) What is the frequency?

If two sides and the included angle of a triangle are given, the Law of _______ is used to solve the triangle .

Find the area of the triangle. Round answer to two decimal places.

A=40掳,B=20掳,a=2

Find the real solutions, if any, of the equation 3x2+1=4x.
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