Math, asked by Daniellaradtke, 11 months ago

The side length of an equilateral triangle is 10cm. Find the length of an altitude.
















Answers

Answered by nivedithadns
1

Answer:

perimeter =30

area=43.3

Step-by-step explanation:

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Answered by kiranagarwal419
2

Answer:

15cm

Step-by-step explanation:

Side of an equilateral triangle =10cm.

As we know sides of the equilateral triangle are to each other.

Triangle ABC,

(AD)power2=(AB)power2 + (AD)power2

=(10)square +(5)square

=100+125

=225

=√225

AD =15cm

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