Answer:
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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