<h3>
</h3><h3>
</h3>
Total area = 12 + 18 = 30cm²
Step-by-step explanation:
Two angles are called supplementary when their measures add up to 180 degrees.
<ADB + <BDC = 180°
IT'S seen that BOTH ADB and BDC are 90 degrees
90+90= 180
Step-by-step explanation:
I think the answer is 2.5
A rational number can be expressed in the form
where a and b are integers
Otherwise irrational
Note that 
, 
, 
are all irrational
= 
→ rational
→ irrational
→ irrational
= 
→ rational
→ irrational
TR
A chord is something that LOOKS like a diameter, but doesn't pass thru the center.
