Question

Find the area of the triangle<_-_-_ help please

Answer 1

first find height of triangle using pythogoras
then are = 0.5 * h * 15

Answer 2

in fact there is no need to use pythagoras if you notice that this triangle is a 'pythogorean triad' where all three sides are integers
simplest has sides 5, 4 and 3

this is similar in that each side is 5 times the above

its 25-20-15 so the height = 20

Answer 3

oh ok thank you

Answer 4

yw