Question

8. Adjacent angle of a parallelogram are __________
a) complementary
b) opposite
c) Supplementary
d) Congruent




9. Octagon have sides.
a) Nine
b) Three
c) Four
d) Eight





10. Find the perimeter of triangle Whose side is 6 cm, 7 cm, 6 cm
a) 20 cm
b) 21 cm
c) 19 cm
d) 10 cm
00​

Answer 1

Answer:

c)supplementary

D)eight

c)19cm

Step-by-step explanation:

1 .The measures of the adjacent angles of a parallelogram add up to be 180 degrees, or they are supplementary

2 .An octagon is a polygon made up of 8 sides. It has eight angles. Octagon = Octa + gon where octa means eight and gon means sides.

3.P=A+B+C

p=6+7+6=19cm