Answer:
cant see pic
Step-by-step explanation:
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:
420
Step-by-step explanation:
14x15x2
420
<h2>
Answer:</h2>
$38 783.2
<h2>
Step-by-step explanation:</h2>
The equation is:
25 000*![1.05^{9}](https://tex.z-dn.net/?f=1.05%5E%7B9%7D)
(1.05 because 5% is 0.05 of the whole)
=> x² = (2.4)² + (4.8)²
=> x² = 5.76 + 23.04
=> x² = 28.8
=> x = 5.366563146
=> x = 5.4
Ans: 2nd option (5.4)
Hope this helps!