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rewona [7]
3 years ago
13

How much material is needed to make a triangular flag with base 2 1/4 and height 8 1/2

Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0
Amount of material =area
area of triangle=1/2 times base tiems ehighte

base=2 and 1/4
height=8 and 1/2
convert all to imporpoert
2 and 1/4=2+1/4=8/4+1/4=9/4
8 and 1/2=8+1/2=16/2+1/2=17/2
so we have
area=1/2 times 9/4 times 17/2
area=(1 times 9 times 17)/(2 times 4 times 2)
area=153/16
area=9 and 9/16

answer is 9 and 9/16 square units of material
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