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3 years ago

One number is 1/2 of another number. The sum of the two numbers is 18. Find the two numbers?

1 answer:

4 0

Answer:

The two numbers are 6 and 12.

Step-by-step explanation:

One number (6) is half of another number (12).

The sum of the two numbers (6 + 12) is 18.

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The 5 is in the tens spot and the 8 is in the ones.
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NISA [10]

An angle bisector divides an angle into two equal halves.

The measure of angle $\angle CPD$ is 70 degrees

The complete question is an illustrates the concept of angle bisector;

Where:

$\angle RPD = 140^o$ , and line PC bisects $\angle RPD$

Because line PC bisects $\angle RPD$ , then it means that the measure of RPD is twice the measure of CPD:

So, we have:

$\angle RDP = 2 \times \angle CPD$

Substitute $\angle RPD = 140^o$

$140^o = 2 \times \angle CPD$

Divide both sides by 2

$70^o = \angle CPD$

Apply symmetric property of equality:

$\angle CPD = 70^o$

Hence, the measure of angle $\angle CPD$ is 70 degrees