A = set of all triangles, B= set of all right triangles, A-B=?
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Answer:
Step-by-step explanation:
Letusassign
aforisosceles△
bforequilateral△
cforrightangle△
anddforacuteangled△.
NowYisasetofequilateraltriangles.
Anequilateraltriangleisalsoanisosceles
andacuteangled△.
∴Y={a,b,d}−−−−(1)
AgainWisasetofacuteangledtriangles.
Anacuteangledtrianglemaybeisosceles△,
andequilateral△.
∴W=d,a,b,scelene△
∴Y∩W={a,b,d}=Y(Ans)
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