Answer:
BC = 3.6
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
1.5 BC = 5.4 ( divide both sides by 1.5 )
BC = 3.6
I forgot what they’re called but the angles opposite to each other are the same degree. It’s a theorem, just search up the name
Answer:

Step-by-step explanation:



- Therfore theta is QI
- Therfore sin theta >0

Step-by-step explanation:
<h2> l=P×R×T</h2><h3> 6000=2160×X/100×9</h3><h3> 6000÷194.4</h3><h2> =30.86%</h2>