Question

30˚ - 60˚ - 90˚
AC = 17 Find AB and AC

Answer 1

Step-by-step explanation:

right angles triangle BAC, AB=5cm and AC=12cm

Area of triangle=

2

1

×base×height=

2

1

×AB×AC

=

2

1

×5×12=30cm

2

Now, in ΔABC,

Area of triangle ABC=

2

1

×BC×AD

⇒30=

2

1

×13×AD

⇒ AD=

13

30×2

=

13

60

cm.

Answer 2

Step-by-step explanation:

bcoz it is a right angled triangle,

and AC= 17

so, from trigonometry, taking Theta be 30°

sin30° = AC/AB

=> 1/2 = 17/AB

by cross multiple, AB = 34

Similarly, cos30° = BC/AB

=> √3/2 = BC/34

by cross multiple, BC = 17√3

I think it will help you and please mark it as brainliest.