1. An angle whose measure is less than 90 degrees is a(n) angle.
2. An angle whose measure is exactly 90 degrees is an)
angle.
3. An angle whose measure is greater than 90 degrees but less than 180 degrees
is a(n)
angle.
4. An angle is a figure formed by two
with a common endpoint.
5. The common endpoint shared by the two sides of an angle is called the
6. Two angles that have the same measure are called
angles.
7. If the sum of the measures of two angles is 90 degrees, then the angles are
angles.
8. If the sum of the measures of two angles is 180 degrees, then the angles are
angles.
9. Two angles that share a side and a vertex are
angles.
10. Two nonadjacent angles formed by Intersecting lines are
angles.

Step-by-step explanation:

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arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

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