Seudónimo Seudónimo
  • 02-06-2020
  • Mathematics
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help me please, its due at night today!!!

help me please its due at night today class=

Respuesta :

devishri1977
devishri1977 devishri1977
  • 04-06-2020

Answer:

Step-by-step explanation:

Area of polygon = area of square + area of triangle

Square:

Side = 12 cm

Area of square  = side *side

                          = 12 * 12

                          = 144 sq.cm

Triangle:

base (b) = 12 cm

Height h = 19 cm

[tex]Area =\frac{1}{2}bh\\\\=\frac{1}{2}*12*19\\[/tex]

= 6 * 19

= 114 sq.cm

Area of polygon = 144 + 114 = 258 square cm

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