Question

Choose correct options

(1) 21 ÷ (-3) =

a. -7 b. 7 c. 18 d. -18

(2) State the property that is used below: If a|| b, then ∠1 = ∠5 .

a. alternate interior angle

b. pair of interior angle

c. Vertically opposite angles.

d. Corresponding angles

1. Fill in the blanks:

3. When the sum of the measures of two angles is 90˚, the angles are called _________.

4. On a number line when we subtract a ____________integer, we move to the right. ​

Answer 1

Answer:

1.a) -7

2.a) alternative interior angle

3. complementary angles

4. positive

Answer 2

Answer:

1) (a)

2) (d) { refer the pic for better understanding}

3) complimentary angles

4) positive