reaganclarke reaganclarke

21-05-2021
Mathematics

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ferrybukantoro ferrybukantoro

21-05-2021

Answer:

189 sq mm

Step-by-step explanation:

area = (21×18)/2 = 189 sq mm

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jeriellhernandez jeriellhernandez

21-05-2021

It’s 189. Half of 18 is 9 and 9 x 21 = 189.

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