Two similar triangles have corresponding sides of 6 cm and 10 cm. The area of the smaller triangle is 27 cm². Find the area of the larger triangle. (3 marks)
Hint: Linear scale factor = ratio of corresponding lengths. Area scale factor = (LSF)². Multiply the known area by the ASF.
+30 XP
3 marksVolume scale factor4MA1 style 🔢 Calculator
Two similar cones have radii 4 cm and 6 cm. The volume of the smaller cone is 64π cm³. Find the volume of the larger cone. (3 marks)
Hint: LSF = ratio of radii = 6/4. VSF = (LSF)³. Multiply the known volume by VSF.
+30 XP
1 markCongruence condition4MA1 style
Two triangles have sides 5cm, 7cm, 9cm and 5cm, 7cm, 9cm respectively. What congruence condition applies?
A SAS
B ASA
C SSS
D RHS
1 markArea from scale factor4MA1 style
Two similar rectangles have lengths in ratio 2:5. If the smaller has area 16 cm², what is the larger area?