How many teams of 3 students can be chosen from a group of 12 students?
2 answers:
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1- FM is 3
we know that FM and FG are radius of the circle. so:
FM =FG
so if we find FG by Pythagorean theorem, we find FM, too
FL (hypotenuse) is 5
HL is 8. GL is half of HL. so GL is 4
now we can use Pythagorean theorem to find FG
2- x is 40
BAD is half of m DB
ADB is half of m AB
so BAD is 50
and ADB is 90
Then ABD will be:
good luck
we know that FM and FG are radius of the circle. so:
FM =FG
so if we find FG by Pythagorean theorem, we find FM, too
FL (hypotenuse) is 5
HL is 8. GL is half of HL. so GL is 4
now we can use Pythagorean theorem to find FG
2- x is 40
BAD is half of m DB
ADB is half of m AB
so BAD is 50
and ADB is 90
Then ABD will be:
good luck