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sammy [17]
3 years ago
11

Use the the triangle.

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
7 0
For a 45 45 90 triangle if the legs are x length then the hyptonuse is x√2

a.
7=x
so hyptonuse=7√2 in

b.
sin(45°)=(√2)/2

c.
not sure what you need SAS for
but, area=1/2 times base times height
base=height=7
area=1/2 times 7 times 7=24.5 square inches

d. not sure, same as above?
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