Mathematics
A Δ ABC with sides AB = 16 cm, BC = 12 cm and CA = 18 cm is reduced to Δ A'B'C' such that the smallest side of the image triangle is 4.8 cm. Find the scale factor and use it to find the lengths of the other sides of Δ A'B'C'.
Related Questions
Δ ABC with sides AB = 3.6 cm, BC = 4.5 cm and CA = 6 cm is enlarged to Δ A'B'C' such that the largest side of the enlarged triangle is 10 cm. Find the scale factor and use it to find the lengths of the other sides of Δ A'B'C'.
A Δ PQR is reduced by a scale factor 0.72. If the area of Δ PQR is 62.5 cm2, find the area of its image.
A rectangle having an area of 60 cm2 is transformed under enlargement about a point in space. If the area of its image is 135 cm2, find the scale factor of the enlargement.
On a map drawn to a scale of 1 : 25000, a triangular plot LMN of land has the following measurements :
LM = 6 cm, MN = 8 cm and ∠LMN = 90°. Calculate :
(i) the actual lengths of MN and LN in kilometers,
(ii) the actual area of the plot in sq. km.