Find the value of x
58°
152°
86°
40

64°

Step-by-step explanation:

The sum of the angles of a quadrilateral is 360°. So for this,

360° - 56° - 152° - 86° = 64°

x=64

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Step-by-step explanation:

58+152+86+x=360

296+x=360

360-296=64

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b