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1 answer:
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Answer: (i) SPQ =
(ii) SQR = 146°
Step-by-step explanation:
<SPQ = 146 - 68 = ( the exterior angle of a triangle is equal to the sum of the two opposite interior angle )
RQS is the exterior angle
The opposite interior angles are PSQ and SPQ , from the theorem :
PSQ + SPQ = RQS , that is
68 + SPQ = 146
SPQ = 146 - 68
SPQ =
(ii) SQR = RQS
Therefore : SQR = 146°
Task 1 ----- 
minutes
Task 2 ----- 3 min 10 sec = 3+10/60 =
minutes
Task 3 ----- 1 min
Total time to make 1 item = + 
+1 = 
minutes
In 25 minutes;
Number of items made = 25/(6 2/3) = 3.75 items = 3 items (since only a fully assembly can be regarded as an item).<span />
Task 2 ----- 3 min 10 sec = 3+10/60 =
Task 3 ----- 1 min
Total time to make 1 item =
In 25 minutes;
Number of items made = 25/(6 2/3) = 3.75 items = 3 items (since only a fully assembly can be regarded as an item).<span />