neeta91
contestada

11 18 The diagram shows an equilateral triangle. All measurements are in cm. NOT TO SCALE 2x+2 3x+4 3 OLTY а The perimeter of the triangle is 57 cm. Find the length of a.​

11 18 The diagram shows an equilateral triangle All measurements are in cm NOT TO SCALE 2x2 3x4 3 OLTY а The perimeter of the triangle is 57 cm Find the length class=

Respuesta :

s13366
I hope I can help you:)
Ver imagen s13366

Answer:

a = 7

Step-by-step explanation:

3x + 4 = 57 ÷ 3

3x + 4 = 19

3x = 15

x = 5

2x + 2 =  2(5) + 2 = 10 + 2 = 12

19 - 12 = 7

a = 7

hope this helps!! p.s. i really need brainliest :)

Otras preguntas