PLEASE HELP ME TO ANSWER THIS QUESTION.
1 answer:
Answer:
(a) PT = 13 cm
(b) <PTR = 
Step-by-step explanation:
(a) Applying the Pythagoras theorem to QST, we have;
=
+ 
=
+ 
= 36 + 64
100
QS = 
= 10
QS = 10 cm
Since QS = TR, then;
WT =
TR
=
x 10
WT = 5 cm
Thus, applying Pathagoras theorem to PWT;
=
+ 
=
+ 
= 144 + 25
= 169
PT = 
= 13
PT = 13 cm
(b) To determine <PTR, TR = 10 cm. Apply the required trigonometric function;
Cos θ = 
Cos θ = 
= 0.7692
θ =
0.7692
= 39.7179
θ = 
Therefore, <PTR = 
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