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I NEED HELP PLS HELP ME ASAP!!! I'LL GIVE YOU 100 POINTS!
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2 votes
I NEED HELP PLS HELP ME ASAP!!! I'LL GIVE YOU 100 POINTS!

I NEED HELP PLS HELP ME ASAP!!! I'LL GIVE YOU 100 POINTS!-example-1
User Vizzdoom
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2 Answers

3 votes
It’s 189. Half of 18 is 9 and 9 x 21 = 189.
User MikeTheTall
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7.4k points
0 votes

Answer:

189 sq mm

Explanation:

area = (21×18)/2 = 189 sq mm

User Tyler Gillies
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6.5k points
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