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ludmilkaskok [199]
3 years ago
10

Assume that the wooden triangle shown is a right triangle.

Mathematics
2 answers:
labwork [276]3 years ago
8 0

Answer:

Part 1) (10x+15y)^{2}=(6x+9y)^{2}+(8x+12y)^{2}

Part 2) The answer in the procedure

Step-by-step explanation:

Part 1)

we know that

Applying the Pythagoras Theorem

c^{2}=a^{2}+b^{2}

we have

c=(10x+15y)

a=(6x+9y)

b=(8x+12y)

substitute the values

(10x+15y)^{2}=(6x+9y)^{2}+(8x+12y)^{2}

Part 2) Transform each side of the equation to determine if it is an identity

(10x+15y)^{2}=(6x+9y)^{2}+(8x+12y)^{2}\\ \\100x^{2}+150xy+225y^{2}=36x^{2}+54xy+81y^{2}+64x^{2}+96xy+144y^{2}\\ \\100x^{2}+150xy+225y^{2}=100x^{2}+150xy+225y^{2}

The left side is equal to the right side

therefore

Is an identity

Maksim231197 [3]3 years ago
5 0

Answer:

b. \displaystyle 225y^2 + 150xy + 100x^2 = 225y^2 + 150xy + 100x^2

a. \displaystyle [8x + 12y]^2 + [6x + 9y]^2 = [10x + 15y]^2

Step-by-step explanation:

b. \displaystyle 225y^2 + 150xy + 100x^2 = 225y^2 + 150xy + 100x^2

a. \displaystyle [8x + 12y]^2 + [6x + 9y]^2 = [10x + 15y]^2

The two expressions are identical on each side of the equivalence symbol, therefore they are an identity.

I am joyous to assist you anytime.

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