- A14
- B28
- C13
- D15
Step-by-Step Solution
Let equal side = s, base = s - 4. Then 2s + (s - 4) = 50, 3s = 54, s = 18, base = 14 cm.
Answer: A) 14
A signboard is an isosceles triangle whose perimeter is 50 cm. Its base is 4 cm shorter than each equal side.
Find the length of the base, in cm.
Class 9Properties of Isosceles TrianglesGeometry — Triangles
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