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secondary 3 | E Maths
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find the area of the polygon for question e and f
Date Posted: 4 years ago
Views: 191
(e)
draw line AC
BC = AD = 15 cm
area of triangle ABC=(1/2) x AB x BC x sinABC.
area ABCD = 2 x area of triangle ABC.
(f)
draw line SQ
area of triangle QRS=(1/2) x QR x RS x sinQRS
area PQRS = 2 x area of triangle QRS.
draw line AC
BC = AD = 15 cm
area of triangle ABC=(1/2) x AB x BC x sinABC.
area ABCD = 2 x area of triangle ABC.
(f)
draw line SQ
area of triangle QRS=(1/2) x QR x RS x sinQRS
area PQRS = 2 x area of triangle QRS.
thank you
See 1 Answer
done
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Formula for area of triange=1/2 a b sin(c)
Date Posted:
4 years ago
thankyou
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