Example 10: Find the area of polygon
ABCDEF. if AD = 9 cm, AP = 7 cm.
AQ = 6 cm, AR = 4 cm and AS = 2 cm
BS, CQ, EP and FR are perpendiculars to
the diagonal AD.
3 cm
R
S
cm
215 cm
Answers
Answered by
2
You can do like this
AD=18cm,AQ=14cm,AN=8cm,AM=4cm
QD=AD−AQ=18cm−14cm=4cm
NQ=AQ−AN=14cm−8cm=6cm
PD=AD−AP=18cm−12cm=6cm
MP=AP−PM=12cm−4cm=8cm
Area of △AMF=
2
1
×5cm×4cm=10cm
2
Area of △EPD=
2
1
×6cm×6cm=18cm
2
Area of △QCD=
2
1
×4cm×4cm=8cm
2
Area of BCQN=
2
1
×(5+4)cm×6cm=27cm
2
Area of EMFQ=
2
1
×(5+6)cm×10cm=55cm
2
Area of polygon ABCDEF=Area of △AMF+Area of △EPD+Area of △QCD+Area of BCQN+Area of EMFQ=(10+18+8+27+55)cm
2
=118cm
2
Answered by
0
Answer:
3 cm
That's all
Plz brilliant वोट
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