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

Which lobe of the cerebral cortex is most directly involved in vision?

Which payment type is the best if you are trying to stick to a budget

A truck is carrying 10 cars weighing an average of 3,500 pounds each. What is the total weight in tons of the cars on the truck? The total weight of the cars th

What is the main idea of Pericles’s statement?

Why doesn't Mrs. Higgins think Liza can pass at a garden party?

a+ 2b = 10 2a + b =6

If minor arc AC = 96°, what is the measure of ∠ABC? A) 53° B) 64° C) 72° D) 84°

760 yards = blank feet

Which of the following in NOT a loanword trend from French? A. cooking B. dance C. art D. ranching

what is harry potter a common noun , abstract noun, collective noun or a proper noun?