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2 years ago

Given that angle 1 and angle 2 are supplementary, m angle 1 = (2x + 6)° and m angle 3 = (3x - 6)º.

1 answer:

7 0

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The diagram shows a regular dodecagon.Work out the size of one interior angle

nikdorinn [45]

Answer:

150°

Step-by-step explanation:

number of terms=12

sum of exterior angles=360

one exterior angle=360/12=30

interior angle=180-30=150°

5 0

3 years ago

13) -4= -b -1/3b and -23/3= 1/2a + 5/3a

Sergeeva-Olga [200]

-4=-1b-(1/3)b

-4=-(4/3)b

-4/-(4/3)=b

b=3

-------------------------------

(1/2)3+(5/3)2

3/6+10/6=13/6

-23/3=13/6a

(-23/3)/(13/6)=a

a=-46/13

7 0

3 years ago

If this angle is 1/6 of a rotation about a circle, then its measure is

Nezavi [6.7K]

Answer:

60 degrees.

Step-by-step explanation:

A full rotation is 360 degrees.

So 1/6 is 360 * 1/6 = 60 degrees.

4 0

3 years ago

Which of the following is an example of a permutation?

Yuki888 [10]

Permutation

Step-by-step explanation:

Permutation is an example of the mathematics in which item are arranged in different way.
For example ABC, ACB, BCA, CBA, CAB, BAC etc.
The order of an arrangement are different in each alphabet.
The product of number also be defined as in the form of n to 1
for example : 5*4*3*2*1 = 120

Learn more: permutation

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6 0

3 years ago

I need to know the answer and how to get it

Stells [14]

The answer is 6.25 square kilometres

one side is 1.25 and the other will be 1.25*4 =5
and for the area we multiply the two 1.25*5=6.25

7 0

2 years ago

Read 2 more answers