3 years ago

Help with these 3 please! BIG POINTS!

Mathematics

2 answers:

sesenic [268]3 years ago

8 0

Answer:

26. 14 sq.units

27. I think it's near to be 30

28. I think it is the first one

xeze [42]3 years ago

5 0

Answer:

use (pi*r^2)/2 to find the area of one semi circle, then multiply it by 2 to find the total of both semi circles

the diameter is 3, so the radius is 1.5

approx 7.06858347058

=approx 14.1371669412

+6 (the rest of the blocks)

=20.1371669412

approx = 20.14 =20

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