We know that
<span>An<span> exterior angle</span></span><span> is one that has its vertex at an outer point of the circumference
</span><span>The measure of the external angle is the semidifference of the arcs that it covers
</span>
so
∠NOP=(70-30)/2-----> 20°
the answer is
<span>∠NOP=20</span>°
I want to say either rectangular prisim or triangle pyrimad
<u>ANSWER:</u>
The solution set for the inequality 7x < 7(x - 2) is null set 
<u>SOLUTION:</u>
Given, inequality expression is 7x < 7 × (x – 2)
We have to give the solution set for above inequality expression in the interval notation form.
Now, let us solve the inequality expression for x.
Then, 7x < 7 × (x – 2)
7x < 7 × x – 2 × 7
7x < 7x – 14
7x – (7x – 14) < 0
7x – 7x + 14 < 0
0 + 14 < 0
14 < 0
Which is false, so there exists no solution for x which can satisfy the given equation.
So, the interval solution for given inequality will be null set
Hence, the solution set is 
Multiples of 2: 2,4,6,8
Multiples of 6:6,12,18,24
Multiples of 12:12,24,36,48
Multiples of 25:25,50,75,100
Further explanation:
A multiple is a number that is obtained by multiplying an integer with that number.
We have to find multiples of given numbers:
So,
<u>1. Multiples of 2</u>

<u>2. Multiples of 6</u>

<u>3. Multiples of 12</u>

<u>4. Multiples of 25</u>

Keywords: Multiples, Non-zero multiples
Learn more about multiples at:
#LearnwithBrainly
Answer:
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Hope it helps!!!