after 4 new students joined a class,the class had 32 students.Which equation can be used to find n,the number of students in the
1 answer:
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You can use the equation
to find the lenth of the legs
x = leg 1
x + 14 = leg 2
to find the lenth of the legs
x = leg 1
x + 14 = leg 2
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