Question

The area of a right angled triangle is 6cm2.If the base measures 4 cm and its hypotenuse measures 5cm,find its perimeter

Answer 1

By using area,we will find the measure of third side.
Then sum all sides, answer will be    3+4+5=  12 cm.

Hope it will help!!!!!!!

Answer 2

AS THE AREA OF RIGHT ANGLED TRIANGLE IS 6CM2 SO
IN TRIANGLE ABC  RIGHT ANGLED AT B AND AC=HYPOT. AB=PERPENDICULAR BC=BASE OF THE TRIANGLE
AC2=AB2+BC2
AC2-BC2=AB2
5 SQUARE-4 SQAURE=AB2
25-16=AB2
9=AB2
3=AB
 SO THE PERIMETER OF TRIANGLE =SUM OF SIDE OF ALL THREE SIDES=AB+BC+CA
4+5+3=12CM ANSWER
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