$\alpha = \cfrac{180(n-2)}{n} \ \ \ \ \ [ \alpha =interior \ angle, \ \ n=number \ of 
 \ sides] \\ \\ \\ 140 = \cfrac{180(n-2)}{n} \\ \\ 140n = 180(n-2) \\ \\ 140n=180n-360 \\ \\ 40n=360 \\ \\ n= \frac{360}{40}=9 \ \ sides$

4 0

4 years ago

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The equation d=10h represents the number of miles d that Jin travels in h hours . If Jon cuts down the time it takes to travel 3

ahrayia [7]

0.15 is multiplied by 10 = 1.5 hours

5 0

3 years ago

ron drew a quadrilateral with 4 right angles and 4 sides with the same length what figure díd he drew

vladimir1956 [14]

Ron drew a parallelogram.

6 0

3 years ago

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Please I need help with this problem

Vikki [24]

Answer:

The answer is A

8 0

3 years ago

Please Help me on this question hurrryyyyy!!!!!!!!!!!!! PLZ Brainliest​ Available

Please Help me on this question hurrryyyyy!!!!!!!!!!!!! PLZ Brainliest Available