The diagram shows 15 identical circles, arranged as a rectangle, and a shaded triangle. The verticices of the triangle are at th
e centre of circles calculate the area of the shaded triangle.
1 answer:
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Hello!
You can use the Pythagorean Theorem
C is the hypotenuse which is the line across the diameter
a and b are the other sides
You have to find the bottom side of the triangle
9 - 6 = 3
Put in the values you know
Square the numbers
Add
take the square root of both sides
The answer is
Hope this helps!
You can use the Pythagorean Theorem
C is the hypotenuse which is the line across the diameter
a and b are the other sides
You have to find the bottom side of the triangle
9 - 6 = 3
Put in the values you know
Square the numbers
Add
take the square root of both sides
The answer is
Hope this helps!