pinkiemwah pinkiemwah
  • 24-05-2021
  • Mathematics
contestada

A triangle has sides of (2x), (x - 7) and (3x - 20).
(x - 7)
2x
(3x - 20)
(a)
Find an expression, in terms of x, for the perimeter of the triangle.
Give your answer in its simplest form.
The perimeter of the triangle is 87cm.
Work out the value of x.
(b)

Respuesta :

8555cashio
8555cashio 8555cashio
  • 24-05-2021
2x+x-7+3x-20=87cm
6x-27=87
6x=114
x=19
Therefore the sides are:12cm, 38cm, and 37cm
Answer Link

Otras preguntas

What is tan(sin^-1(x/2)) with steps pls
Help! What does this mean? 韓国お好きなのですか?
if the angle between the incident ray and the surface is 50 so the angle of reflection equals
Find the product: [2 1 0] x [1 -1 2] = [a b c] [-1 -2 1] [0 1 1]
NOWADAYS PEOPLE THINK MORE ABOUT THEIR RIGHTS THAN THEIR DUTIES WRITE A DISCURSIVE COMPOSITION​
Explain the different application areas that these AI is being used
what is the best way to use template
Type the correct answer in the box. Spell the word correctly. What is the correct term? Monique belongs to of the American society, which allows membership by b
How much would you need to deposit in an account now in order to have $5,000.00 in the account in 821 days? Assume the account earns 5-% simple interest. You
What should I Do here? I need steps pls......:)