Do these questions.
For 9th class.
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Step-by-step explanation:
2. in TRIANGLE RPT
RPT+PRT+RTP= 180°....... (angle sum property)
55+40+RTP=180
RTP=180-95
THEREFORE RTP = 85°
RTP=STQ. (vertically opposite angles)
STQ=85°
in triangle STQ,
STQ+SQT+TSQ= 180°
85+SQT+60=180
SQT= 180-145
THEREFORE SQT=35°
3. Area of the signal board = 12×20×10
=120×20
=2400cm^2
sorry idk the 1st one
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