Question

solve the question step by step​

Answer 1

Step-by-step explanation:

use Pythagoras theory to find AC then

divide it in half because AD = AC

then first find the area of triangle by heron formula after then use the formula

area of triangle = 1/2*base*height

and put area of triangle and base to find height.

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Answer 2

Step-by-step explanation:

In right angle∆ ABC

AC²= AB²+BC²

AC²= (6cm)²+(8cm)²

AC²= 36cm²+64cm²

AC = ✓100cm²=10cm

therefore, median (BD)= 1/2(✓2AB²+2BC²-AC²

=1/2✓2×(6cm)²+(2×8cm)²-(10cm)²

=1/2✓72cm²+128cm²-100cm²

=1/2✓100cm²

=1/2×10cm = 5cm