haleyrae11
haleyrae11 haleyrae11
  • 26-02-2020
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

kirpabasnet9
kirpabasnet9 kirpabasnet9
  • 01-03-2020

Answer:

in qn.6, in qn.7,

12cm 10cm

Step-by-step explanation:

in qn.6

53°+39°+4+7x=180(sum of angle of triangle)

96+7x=180

7x=84

x=12cm

in qn.7

6x-5+5x+75=180

11x+70=180

11x=110

x=10cm

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