The following shape is made by cutting an equilateral triangle from a rectangle. find its perimeter
length=7.2cm
width=13cm

Perimeter of triangle = 35.06 cm

Step-by-step explanation:

The missing side is Diagonal in the rectangle which is know hypotenuse.

so other two sides 7.2 cm and 13 cm and hypotenuse =?

according to Pythagoras theorem

c² = a² +b²      while c = hypotenuse

c² = 7.2² + 13 ²            c² = 51.84 + 169

c² = 220.84

c = 14.86          so hypotenuse is 14.86 cm

now for perimeter of a triangle

Perimeter of triangle = sum of all sides

                                 = a+ b +c

                                 = 7.2 +13 + 14.86

           Perimeter of triangle = 35.06 cm

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answerthe vertex form

step-by-step explanation: