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Measurements:

• Rectangle

Area = lb

Perimeter = 2(l+b)

• Square

Area = a×a

Perimeter = 4a

• Parallelogram

Area = l × h

Perimeter = 2(l+b)

• Triangle

Area =b×h/2

• Right angle Triangle

Area =1/2(bh)

Perimeter = b+h+d

• Isosceles Right Angle Triangle

Area = 1/2. a2

Perimeter = 2a+d

• Trapezium

Area = 1/2h(a+b)

Perimeter = Sum of all sides

• Rhombus

Area = d1 × d2/2

Perimeter = 4l

• Quadrilateral

Area =1/2 × Diagonal × (Sum of offsets)

• Kite

Area = d1×d2/2

Perimeter = 2 × Sum on non-adjacent sides

Aptitude Questions (Measurements):

1. If the sides of a triangle are 16cm, 14cm and 10cm. What is its area?

A)    70cm²

B)    130cm²

C)    120cm²

D)    150cm²

E)    None of these

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2. The perimeter of a triangle is 18 cm and the inradius of the triangle is 2 cm. What is the area of the triangle?

A)    25 cm²

B)    18 cm²

C)    20 cm²

D)    19 cm²

E)    None of these

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3. Find the area of trapezium whose parallel sides are 10 cm and 8 cm long and the distance between them is 5 cm.

A)    25 cm²

B)    75 cm²

C)    85 cm²

D)    45 cm²

E)    None of these

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4. Find the area of parallelogram with base 14 cm and height 6 cm.

A)    62 cm²

B)    84 cm²

C)    92 cm²

D)    31 cm²

E)    None of these

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5. The ratio of the length and the breadth of a rectangle is 3:2 and the area of the rectangle is 2400 sq cm. Find the ratio of the breadth and the area of the rectangle.

A)    1:96

B)    1:48

C)    1:60

D)    1:68

E)    None of these

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