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quester [9]
3 years ago
13

The measure of each interior angle of reglar convex polygon is 150 How many sides it does have​

Mathematics
1 answer:
jekas [21]3 years ago
6 0

Step-by-step explanation:

Since an interior angle is 150 degrees, its adjacent exterior angle is 30 degrees.  Exterior angles of any polygon always add up to 360 degrees.  With the polygon being regular, we can just divide 360 by 30 to get 12 sides.

 

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I need help with this question asap
guajiro [1.7K]
((2t+10) / 2) + ((3t-15) / 2) + (3s) = 180 
((2t+10) / 2) + ((3t-15) / 2) + (4r) = 180
((2t+10) / 2) + ((3t-15) / 2) + (3s) = ((2t+10) / 2) + ((3t-15) / 2) + (4r) 
(2t+10) = (3t-15)   t=25
2*25+10= 60  ,   3*25-15=60
60+60= 120 ,   This rectangle has a total of 360 degrees 
360 - 120 = 240
240/2 =120
120/ 4 = 30  ,  120/3 = 40
r=30    s=40

6 0
3 years ago
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notka56 [123]

Step-by-step explanation:

See above graph.......

4 0
2 years ago
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faust18 [17]

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7 0
3 years ago
Read 2 more answers
What is a1 of the arithmetic sequence for which a3=10 and a51=−182?
Furkat [3]

Answer:

a₁ = 18

Step-by-step explanation:

The n th term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given a₃ = 10 and a₅₁ = - 182, then

a₁ + 2d = 10 → (1)

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Subtract (1) from (2) term by term to eliminate a₁

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d = - 4

Substitute d = - 4 into (1) and evaluate for a₁

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a₁ - 8 = 10 ( add 8 to both sides )

a₁ = 18

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Alika [10]
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