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Please help me!! image above
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2 votes
Please help me!!

image above

Please help me!! image above-example-1
User Yuliy
by
5.4k points

1 Answer

3 votes

Answer:

a=189

Step-by-step explanation:

Formula: a=Height*base/2

a=18*21/2

a=378/2

a=189

hope this helps!

User Eustace
by
5.9k points
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