Question

2. Determine the area of the following polygon.
10 cm
16 cm
10 cm -
12 cm
10 cm -
10 cm​

Answer 1

Answer:

Area of all triangles = Area of triangle AFM + Area of triangle EOD + Area of triangle ALB + Area of triangle NCD =

2

1

​  

×AM×FM+  

2

1

​  

×EO×OD+  

2

1

​  

×AL×LB+  

2

1

​  

×ND×NC

2

1

​  

×20×20+  

2

1

​  

×60×30+  

2

1

​  

×10×30+  

2

1

​  

×40×40

200+900+150+800=2050

Area of all trapezium = Area of FMOE+ Area of LNCB

2

1

​  

(FM+EO)×MO+1/2×(LB+NC)×LN

2

1

​  

×(20+60)×40+1/2×(30+40)×40

=3000

area of the polygon =Area of all triangles +  Area of all trapezium

A=2050+3000=5050cm  

2

 

Answer (D) 5050cm  

2

 

Answer 2

Answer:

10.is the ans because 10 is a polyhon