Answer:
a and c
Step-by-step explanation:
Supplementary angles add to be 180 degrees. If one angle is 20. The supplement angle is 160.
180 - 20 = 160
160 is your answer.
Step-by-step explanation:
the explanaition of the answer and solution is in the picture, check it out. this is for question 14
Answer:
260 cm²
Step-by-step explanation:
Please see the attached picture for the full solution.
5 x 1 = 5
5 x 2 = 10
5 x 3 = 15
5 x 7 = 35