scoutboy02
scoutboy02 scoutboy02
  • 02-02-2018
  • Mathematics
contestada

The two triangles are similar. What is the value of x?

The two triangles are similar What is the value of x class=

Respuesta :

dfgtyurv dfgtyurv
  • 02-02-2018
If they are similar, their sides are proportional. The scale factor would be 20/28, which is 5/7.

5/7 = 3x/4x+2
Cross multiply
20x+10 = 21x
subtract 20x on both sides
10 = x

x = 10
Answer Link

Otras preguntas

what happens to the brightness of the light from each bulb as each new bulb is added?
E = mv^2 Work out the value of E when m = 3 and v = 10
solve for 3x+9=44-2x
What phylum has animals with a central cavity and mouth;and most of them have tentacles?
Ho long does it take for the Moon to show all its faces? Thank you❤
Is 4xy + 2y = 9 linear ? If yes write the equation in standard form & determine the x & y interests
System of equations x-y-2z=4, -x+2y+z=1, x+y-3z=11. Solve by elimination
If you know two points on a line, how can you find the rate of change of the variables being graphed?
the temperature on mars ranges widely from -207 f to 80 f find the average of the temperature extremes on mars
if 120 marks is 60% what is full marks