Simplify (5x2 + 3x + 4) + (5x2 + 5x − 1).
2 answers:
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Answer:
Step-by-step explanation:
diagonal = 32 cm
Area of square =
Diagonal separate the square into two equal triangles.
Area of upper triangle that is shaded black = area of lower triangle = 512/2
= 256 cm²
Isosceles triangle:
a = 6 cm ; b = 6 cm c = 8cm
Area of black shade paper = 256 + 17.92 = 273.92 cm²
Area of white shade paper = 256 cm²
Area of the isosceles triangle = s(s-a)(s-b)(s-c)