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viva [34]
3 years ago
15

Help me with this please explain

Mathematics
1 answer:
laila [671]3 years ago
4 0

Answer:

circumference=50.24 cm

area=200.96 cm²

Step-by-step explanation:

r=16/2=8

circumference=2πr=2×3.14×8=50.24 cm

area=πr^2=3.14×8²=200.96 cm²

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Does anyone know the answer???
nikitadnepr [17]
X= -1. That’s the only one that makes sense
8 0
3 years ago
He measure of one angle of an octagon is twice that of the other seven angles. what is the measure of each angle? answer: ,
Scrat [10]
Answer:
measure of larger angle = 240 degrees
measure of each of the smaller angles = 120 degrees

Explanation:
In any polygon, the sum of measures of interior angles can be calculated using the following rule:
sum of interior angles = (n-2)*180 where n is the number of sides

Now, for an octagon, n=8, this means that:
sum of measures of interior angles = (8-2)*180 = 1080°

An octagon has 8 interior angles, one of which is twice the measure of the others.
Assume that each of the 7 smaller angles is x degrees and that the larger angle is 2x degrees

Computing their summation, we will find that:
x + x + x + x + x + x + x + 2x = 1080
9x = 1080
x = 120

This means that:
each one of the smaller angles = x = 120 degrees
the larger angle = 2x = 2 * 120 = 240 degrees

Hope this helps :)
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3 years ago
Lesson 13 practice promblems algerbra 1​
IrinaK [193]

well what are the questions ?

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Blizzard [7]

Answer:

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2 years ago
Simplified form of 11[(9^2-5^2)/2^2+8]<br> A.224.5<br> B.242<br> C.51.3<br> D.110
aleksandr82 [10.1K]
B. 242
th answer is b
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