Given FS = 8 cm and ∠F = 80°
Steps :
(i) Drawn a line segment FS = 7 cm.
(ii) At F, made ∠SFX = ∠SFY = 40° on either side of FS.
(iii) At S, made ∠FSP = ∠FSQ = 40° on either side of FS
(iv) Let FX and SP cut at H and FY and SQ cut at I.
(v) FISH is the required rhombus
Calculation of Area:
Area of the rhombus FISH = 12 × d1 × d2 sq.units
= 12 × 5.9 × 7 cm2
= 20.65 cm2
