RustickDogg
RustickDogg RustickDogg
  • 18-05-2021
  • Mathematics
contestada

find the value of X and Y triangle BLT is congruent to Triangle JFK​

find the value of X and Y triangle BLT is congruent to Triangle JFK class=

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musiclover10045
musiclover10045 musiclover10045
  • 18-05-2021

Using the order of the letters in the triangles find the corresponding sides:

BL is similar to JF

LT is similar to KF

BT is similar to JK

Find the scale between LT and KF

9/12 = 3/4

The smaller triangle is 3/4 the size of the lager one.

This means BT = 3/4(JK) = 3/4(4) = 3

So x = 3, so side BL = 2x = 2(3) = 6

Now to solve for y:

BL is 3/4(JF)

6 = 3/4(y)

Solve for y by dividing both sides by 3/4

Y = 6/(3/4)

Y = 8

X = 3, y = 8

Answer Link

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