Answer: a)pentágono 540° = 108×5
b)heptágono 900°≈128.57 ×7
- c)octágono 1080° = 135 × 8
- d)nonágona 1260 = 140 × 9
Step-by-step explanation:
360 ÷ number of sides = x Subtract x from 180 =y measure of interior∠
Multiply y × number of sides == sum of interior angles
Answer: x=-1,-2
Step-by-step explanation:
X^2+3x+2=0
(x+1)(x+2)=0
x=-1,-2
Answer:
Correct choce is (a). 30.
Step-by-step explanation:
Given equation is 
.
Now we need to find the value of (fof)(3). Then select correct matching choice from the given choices. Where given choices are:
(a). 30
(a). 33
(a). 6
(a). -6
Now let's find 
Hence correct choce is (a). 30.
Answer:
negative four is going to be on the opposite side of the positive four because it is negative\ge and positive and negatives are different
Step-by-step explanation:
The two-digit number you are looking for is 12.
4 x 3 = 12.
6 x 2 = 12.
This fits your criteria.
