alex3482 alex3482

03-08-2018
Mathematics

contestada

Calculate the area of triangle ABC if a = 7.9, b = 6.3 , and c= 8.5

Calculate the area of triangle ABC if a 79 b 63 and c 85 class=

Respuesta :

Nyctalus Nyctalus

03-08-2018

WE start with finding s= a+b+ c)/2 = ( 7.9 + 6.3+ 8.5) /2

= 11.35

Area of triangle = sqrt (11.35 * ( 11.35 - 7.9)( 11.35 - 6.3) ( 11.35 -8.5 ) )

sqrt ( 11.35 * 3.45 * 5.05 * 2.85)

sqrt (563.57)

23.739

Answer is 23.74 ( when round off )

Answer Link

Otras preguntas

A painter is hired to paint the interior walls of a large warehouse. The function f(x)=20,000−40x models the area in square feet that remain to be painted, wher

Why might a scientist repeat an experiment if she did not make a mistake in the first one?

a man walks 3km to the west in3hrs. what is he velocity.

How many lines of symmetry does this figure have?

What is 11=m-2 equal when your solving and checking your answer

Callie has 83 postcards in her collection. Of the postcards, 24 are from Canada. The rest of the postcards are from United States. How many of the postcards are

The equation T^2 = A^3 shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. I

In a proper webpage, which tag holds all of a webpages visble HTML

Find three consecutive integers whose sum is 35.

Why did the crew of the Zong ship throw some captive Africans overboard? A. There was not enough space in the ship. B. The captives’ deaths were covered by ins