Answer:69
Step-by-step explanation:
69•2= 138
69-11=58
58•3=174
174+138=312
Well, split it into 3 shapes
21 x 10 = 210
3 x 6 = 18
2 x 6 = 12
210 + 18 + 12 = 240 square cm
imahe for more context
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Yes they are
Composite numbers <span />
Answer:
x=22
Step-by-step explanation:
the triangle in which x is in is an equilateral triangle.
44 is an exterior angle to that triangle.
an exterior angle is always equal to tbe sum of the opposite 2 interior angles.
because that triangle is equilateral
x =44 ÷ 2
x=22
Answer:
C
Step-by-step explanation:
Because for a quadratic formula to be applicable..., x must be to the power of two(x^2)