1 answer

How do you find the perimeter of an isosceles triangle whose base is 16 cm and whose height is 15

Question:

How do you find the perimeter of an isosceles triangle whose base is 16 cm and whose height is 15 cm?

Answers

#P=50cm#

Explanation:

If the base is 16cm, the half base is #16/2=8cm#
(see figure below)

According to Pythagorean Theorem,
the other sides of the triangle are:

#a^2=8^2+15^2#

#a^2=289#

#a=sqrt(289)=17#

The perimeter is:

#P=16+17+17=50cm#
enter image source here

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