Area Problems
The inner circumference of a circular race track, 14 m wide is 440 m . Then the radius of the outer circle is?

77 m
56 m
84 m
70 m

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Area Problems
The perimeter of an isosceles triangle is equal to 14 cm . The lateral side is to the base in the ratio 5 : 4 the area of the triangle is?

3/2?21 cm2
1/2?21 cm2
?212
2?21 cm2

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