Question

find the area of the adjoin fi

Answer 1

by Pythagoras theorem:-

H square = 4 square +5square
H square=16+25
H square= 41cm
H = √41
area of triangle=1/2 ×base ×height
1/2×4×√41
= 2√41 cm square
=2× 6.403 cm square
=12.806 cm square