PART B: Follow the instructions for triangle PQR drawn below:
Use a ruler and determine midpoint S of side PQ and midpoint T of side PR of triangle POR.
Indicate on the sketch that PS - SQ and PT = TR Draw ST.
P
R
1.
e
Measure cach of the following angles, using a protractor:
0 degrees
1.3 PST
Ř
degrees
1.4 PTS=
degrees
1.2
degrees
2.
What do you notice concerning your answers in question 1?
(2)
3.
Using your answer to question 2, what can you conclude concerning ST and QR?
4.
Give a reason for your answer in question 3.
5.
5.1
mm
mm
Measure the lengths of the following sides:
ST=
5.2 QR =
What do
you i notice concerning the lengths of ST and QR?
wines
(2)
6.
5.
Hence, make a conjecture regarding the line joining the midpoints of two sides of any triangle:
stond ar ose pojallel so Sandae. cangcasn't
.lftheden of
...angles opposite at homogla ac. angeusanto the name
es conguent
-(2)
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