What is the sum of the first 100 even natural numbers?

The sum of the first 100 even natural numbers = 10, 100

Step-by-step explanation:

We can compute the sum of the first 100 even natural numbers using the formula    

Replacing n with the number of terms i.e. 100

                          ∵  

As we have to look for even number, just multiply them by

Therefore, the sum of the first 100 even natural numbers = 10, 100

we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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the answer

b. they are parallel and will never intersect.