Compilation of all things math --- questions obtained via students' consultation, related math sites. * Do also check out my EduTech contributions at go.gov.sg/changcl
-(2(0!+2)-7)=1 2+0x2x7=2 -( 2+0+2-7 )=3 -(2-0!)-2+7 =4 2x0 -(2-7)=5 -2 -0! +2+7=6 2x0x2+7 =7 2+ 0!-2+7=8 2x0+2+7=9 (2x0)!+ 2 +7=10 2 + 0 + 2 + 7=11 2 + 0! + 2 + 7=12 Sent from my iPhone
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Extension… Area of shaded = 4 x [ 21x21 - 1/4 x pi x 21x21 + 4 x 1/2 x pi x 10.5x10.5 ] = 4 x [ 441 - 346.5 + 693 ] = 4 x 787.5 = 3150 cm2
Yes, complementary and supplementary angles are entirely legitimate, standard terms in mathematical language, specifically within the field of geometry.