Question

5. A right angle triangle has base =40 unit and perpendicular =9 unit its semi perimeter is... *​

Answer 1

Answer:

45 is the correct answer.

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Answer 2

Answer:

first we have to find hypotenuse

hypotenus²= perpendicular²+ base²

h² = 9²+40²

h² = 81+1600

h² = 1681

h =√1681

h = 41 units

semi peri.= sum of sides /2

= 9+40+41

= 90 /2

= 45 units