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Math

Math Snap

PROBLEM

Prove that two triangles, Δ\Delta and Δ\Delta, have equal area.

STEP 1

Assumptions1. The two triangles are denoted as ΔABC\Delta ABC and ΔDEF\Delta DEF.
. Both triangles have the same base length, denoted as bb.
3. Both triangles have the same height, denoted as hh.

STEP 2

The area of a triangle is given by the formulaArea=12×base×heightArea = \frac{1}{2} \times base \times height

STEP 3

Let's calculate the area of ΔABC\Delta ABC using the formula.AreaABC=12×b×hArea_{ABC} = \frac{1}{2} \times b \times h

STEP 4

Now, let's calculate the area of ΔDEF\Delta DEF using the same formula.
AreaDEF=12×b×hArea_{DEF} = \frac{1}{2} \times b \times h

SOLUTION

Since both AreaABCArea_{ABC} and AreaDEFArea_{DEF} are calculated using the same base and height, they are equal.
AreaABC=AreaDEFArea_{ABC} = Area_{DEF}Therefore, we have proved that the two triangles ΔABC\Delta ABC and ΔDEF\Delta DEF have the same area.

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