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Big Ideas Math: Modeling Real Life, Grade 6 View details

2. Areas of Triangles

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Exercise 4 Page 292

To find the area, calculate half of the product of the base and the height.

132yd^2 or 6 12yd^2

Practice makes perfect

Let's find the area of the given triangle. The area of a triangle is half the product of its base and its height.

In the given triangle, the base is 6 12 yards and the height is 2 yards. We can substitute these two values into the formula for the area of a triangle and simplify. Let's do it!

A=1/2bh

SubstituteII

b= 6 12, h= 2

A=1/2( 6 12)( 2)

▼

Evaluate right-hand side

MixedToFrac

a bc=a* c+b/c

A=1/2(6*2+1/2)(2)

Multiply

A=1/2(12+1/2)(2)

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