Explain the connection between Đ2 and ĐB.
654
50
659

Sample Response: The sum of the measures of the interior angles of a triangle is 180°. m < B + 50 + 65 = 180, so m < B = 65°. The sum of adjacent angles forming a straight line is also 180°. m < 2 + 50 ! 65 = 180, so m < 2 = 65°. The angles are congruent.

(The greater signs are angles).

Step-by-step explanation: It's on Edg.

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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