solve please all sums
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14 ) divide 43.2 by 2.4
16) 4 + 5( p-2) = 34
4 + 5p - 10 = 34
4+5p = 34 + 10
4+5p = 44
5p = 44 - 4
5p = 40
p = 40÷ 5
p =8
17) complement of 30 = 90 - 30 = 60
supplement of 130 = 180 - 130 = 50
19) × + 45° = 115° ( exterior angle property )
x = 115° - 45° = 70°
20) it's a equilateral triangle
all sides and angles are equal
anglesum of triangle = 180°
no of sides = 3
angles = 180° ÷ 3 = 60°
each angle of the triangle is 60°
22) 2+3=5 = 5
2+5 = 7 > 3
3+5 = 8 > 2
the sum of two sides is not greater than the third side so these cannot be the measures of the sides of a triangle
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