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Filename: controllers/calculator.php

Line Number: 37

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Area = ½ (a+b)h, where a and b are bases and h is height.

Perimeter = side1 + base1 + base2 + side2

For the given question

Area of trapezoid = ½ (a + b ) h

= ½ x (5 cm + 4 cm) 8 cm

= ½ (9 cm) 8 cm = 36 cm

Area of trapezoid = 36 cm

Perimeter = side1+base1+base2+side2

= 4+7+5+4

Perimeter of Trapezoid = 20 cm

For the given question

Area of trapezoid = ½(a+b)h

= ½ x (6+4)5

= ½ (10cm) 5cm = 25cm

Perimeter = side1+base1+base2+side2 Since its isosceles trapezoid side1 = side2 = s

Use Pythagoras theorem to find side s ; S

Perimeter = √26+√26+6+4 = 2√26+10

Perimeter of Trapezoid = 2√26+10cm