The perimeter of an equilateral triangle is 38 centimeters. Find the length of an altitude of the triangle. Round to the nearest tenth.

Question

asked Jun 6, 2023 164k views

1 Answer

Mhawke · Answer 1 · 2023-06-12T01:15:10+0000

Answer:

11.0 cm

P=38 cm

38/3=12.67cm length of one side

Base of triangle = 12.67/2 =6.34 cm

Use formula
a^2+b^2=c^2

$6.34^2+x^2=12.67^2\\\\=11.0 cm$

x = altitude of triangle