Question

please ans 2nd question​

Answer 1

ANSWER::

The length of AE can be measured by using trigonometric ratios .

sin30 =1/2

SO ,

X/10cm=1/2 by which

X=5cm

Where X is the length of AE

HOPE IT HELPS YOU , and IF SO FOLLOW ME

Answer 2

Answer:

$\sqrt{800}$

by Pythagoras theorem