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

why was the term political machine used to describe corrupt political systems in the late 1800s? a) political machines ran very smoothly, like clocks.b) politic

order these numbers from least to greatest. −3.12 , −3.2 , 8 , −5216

What will 4 balloons cost if 10 balloons cost £3.00

Four different sets of objects contain 2,5,6, and 7 objects, respectively. How many unique combinations can be formed by picking one object from each set? A 11

The amount $2.88 is 9% of what price? A - $25.92 B - $32.00 C - $259.20 D - $320.00

Why did many Irish Americans oppose the United States’ decision to enter World War I on the side of the Allies? A. Many Irish immigrants to America were marri

working together, shawn and hector can install a tile floor in 6 hours. it would take shawn 9 hours to do the job alone. what is the value of r, the part of the

Stuart Company estimates that variable costs will be 60% of sales, and fixed costs will total $800,000. The selling price of the product is $4. Instructions (a)

when cells maintain internal balance, they are in a state of

x 2/3= -4 1 -10 -3 -14