Engineering Board Exam Reviewer · Triangles · medium

The base of an isosceles triangle is 12 cm and each of the two equal sides is 10 cm. Find the height (altitude to the base).

  1. 8 cm
  2. 6 cm
  3. 9 cm
  4. 7 cm

Answer

A. 8 cm

Solution

h=sqrt(102-62)=sqrt(100-36)=sqrt(64)=8 cm.

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