Answer:
a : c = 6 : 5
Step-by-step explanation:
Expressing the ratios in fractional form, then
=
×
×
=
×
×
=
= 
Thus a : c = 6 : 5
Answer:
8
Step-by-step explanation:
Considering the given value of sum of interior angles with exclusion of one to be 1070 then we can write it as
1070=180(n-2) where n is the number of sides required here.
Making n the subject of the formula then following step by step


Therefore, the shape is octagon and it has 8 sides.
Answer:
3rd
Step-by-step explanation:
Answer: (6 x 2) - (4 x 5) + (12 / 4)
Answer:
4c + 6a < = 120 ...4(20) + 6(6) = 116 <== correct
4c + 4a < = 100....4(20) + 4(6) = 104 <== incorrect
first answer choice