The answer is <span>The sum is 10 · 11.
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The first 10 positive even numbers are:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Their sum is:
2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110
Now, let's present it as two factors:
110 = 11 * 10
Answer:
m∠3 = 70°
Step-by-step explanation:
By the properties of a parallelogram,
- Opposite angles of a parallelogram are equal in measure.
- Adjacent angles of a parallelogram are supplementary angles.
m∠2 = m∠4 and m∠1 = m∠3
4x + 30 = 2x + 70
4x - 2x = 70 - 30
2x = 40
x = 20
Therefore, m∠2 = m∠4 = 110°
Since, m∠2 + m∠3 = 180°
110° + m∠3 = 180°
m∠3 = 180° - 110°
m∠3 = 70°
Answer:
15
Step-by-step explanation:
Look at the attachment
The answer to the problem is 4n.
