What is the area of `DeltaXYZ`? A. 10 square inches B. 14 square inches C. 17.5 square inches D. 28 square inches
2 answers:
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Answer:
x = 10
Step-by-step explanation:
Since the triangles are similar the ratios of corresponding sides are equal
=
, that is
=
( cross- multiply )
20(4x + 2) = 84x
80x + 40 = 84x ( subtract 80x from both sides )
40 = 4x ( divide both sides by 4 )
x = 10