Perpendicular slopes have a product of -1, thus
solve for "d"
We need to know that the diagonal AC is congruent to itself and we also need to know that AD and BC are congruent
Hope this helps :)
Answer:
x = 2
Step-by-step explanation:
Given
4x - 3 = - 9 + 7x ( subtract 7x from both sides )
- 3x - 3 = - 9 ( add 3 to both sides )
- 3x = - 6 ( divide both sides by - 3 )
x = 2
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I think its C how many tiles will he use to cover the whole section