Plz tell its full step by step 'solution'.
20th a) and 21st
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Answer:
Area=720 cm² and altitude on longest side is 17.56cm
Step-by-step explanation:
Given parameter =180cm and two sides as 80,18cm
then we find the third side =180-18-80=82cm
using the Pythagoras theorem we can check it is a right angle triangle
hence
area =A=(1/2)*base*height
Now we will utilize this area to find the altitude on longest side that is hypotenuses taken as base .
please check solution pic for clarity
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