Find area of the following Quadrilateral
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44cm square
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GIVEN :-
★ In Figure ABCDE ★
- AC = 12 cm.
- EF = 2 cm.
- ED = 8 cm.
- BG = 4 cm.
TO FIND :-
- The Area of quadrilateral.
SOLUTION :-
- [ Let's break the quadrilateral into two parts (1) in triangle ABC and (2) in trapezium ACDE .]
★ For △ ABC ★
- Height (BG) = 4 cm.
- Base (AC) = 12 cm.
★ Area of △ ABC = ½ × base × Height.
➬ ½ × (AC × BG)
➬ ½ × 12 × 4
➬ 48/2
➬ 24 cm².
★ Hence Area of △ ABC is 24 cm².
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★ For trapezium ACDE ★
- parallel sides (AC , DE) = 12 cm , 8 cm.
- Height (EF) = 2 cm.
★ Area of trapezium ACDE = ½ ( a + b) × h.
➬ ½ (AC + DE) × EF
➬ ½ (12 + 8) × 2
➬ 20 cm².
★ Hence the area of trapezium ACDE is 20 cm² ★
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★ For Quadrilateral ★
- Area of △ ABC = 24 cm².
- Area of trapezium ACDE = 20 cm².
★ Area of quadrilateral = Area of △ ABC + Area of trapezium ACDE .
➬ 24 cm² + 20 cm².
➬ 44 cm².
★ Hence the area of quadrilateral is 44 cm². ★
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