In isoceles triangle the length of a leg is 17cm, and the base is 16cm. Find the length of the altitude to the base

This triangle has base 16 therefore the sides must be 17cm and 17 cm

When we make a altitude it divides it into two right triangles and there is a property in which the altitude of the isoceles triangle divides the base in 2 equal halves

So the side of the right triangle will be x , 8 , 17

Using pythgoreus theorem

x²+8²=17²

x = √225

x = 15

So the altitude is 15 cm

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b.an increase in a causes b to decrease

the answer is c)8

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