What is the area of an isosceles triangle when the base is 10 and the height is 13?

Step-by-step explanation:

are if triangle equal 1/2 multiplied to height to base

so 1*10*13/2

so it will be 65

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step-by-step explanation:

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.