Question

Answer question no. 9

Answer 1

Answer:

heya mate here's your answer...

area of right angle triangle=(perpendicular×base) /2

$( \frac{4 \times 3}{2})cm^{2}$

$= 6cm^{2}$

Answer 2

Answer:

ar(ABC)=1/2*base*height

=1/2*3*4

=6

BC=√9+16

=√25=5

arABC)=1/2*base*height

6 =1/2*BC*AD

6=1/2*5*AD

AD=6*2/5

=2.4