Find the semiperimeter of triangle ABC. a = 33 yd, b = 45 yd, c = 6 yd
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.3: Regular Polygons And Area
Problem 14E: Find the area of an equilateral triangle with apothem a = 3.2 cm and perimeter P=19.23 cm.
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Question
Find the semiperimeter of
a = 33 yd, b = 45 yd, c = 6 yd
Expert Solution
Step 1
We have to find semi-perimeter of triangle where lengths of sides are given as:
We know that perimeter is the sum of all sides in triangle therefore,
or,
And semi means half thus we can write the formula of semi-perimeter of the triangle ,
Where,
is the semi-perimeter of the triangle
and are the lengths of the sides of the triangle.
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