Question

<D=
length of AD and AC​

Answer 1

Answer:

(i) ∠D=90°

(iI) AC=5 cm

Step-by-step explanation:

(i)∠D=90°

(ii)ΔABC ≅ ΔADC

AB=AD=4

CD=BC=3

Using Pythagoras theorem,

AC² = AB² + BC²

= 4² + 3²

=16+9 = 25

∴AC= 5 cm