Question

Find the area of the following polygons.

Answer 1

Answer:

25

Step-by-step explanation:

6+4+10+5

10+10+5

20+5

25

Answer 2

PQR is a triangle,

Base = 10cm

Height (Altitude) = 5cm

Area of triangle PQR = 1/2×b×h

= 1/2×10×5

= 5×5

= 25cm²

PTSR is a trepezium,

Height = 4cm

One parallel side(a) = 6cm

Second parallel side(b) = 10cm

Area of trepezium PTSR = (a + b)/2 × h

= (6 + 10)/2 × 4

= 16/2 × 4

= 8 × 4

= 32cm²

The area of Polygon PQRST,

= Area of PTSR + Area of PQR

= 32cm² + 25cm²

= 57cm²

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