1.4²+b²=3.1² 1.96+b²=9.61 b²=7.65 b=√7.65 b=2.8(rounded to the nearest tenth) 5²+12²=C² 25+144=c² 169=c² c=√169 c=13cm 6²+3²=c² 36+9=c² c²=45 c=√45 c=6.7ft ( rounded to the nearest tenth)

a² + b² = c² 1.4² + b² = 3.1² 1.96 + b² = 9.67 -1.96 -1.96 b² = 7.71 b ≈ 2.78 ----------------------------------------------------------------------------------------------- a² + b² = c² 5² + 12² = c² 25 + 144 = c² 169 = c² 13 = c ----------------------------------------------------------------------------------------------- a² + b² = c² 6² + 3² = c² 36 + 9 = c² 45 = c² 6.71 ≈ c