3 years ago

Find the value of x in Pythagorean theorem.

Mathematics

2 answers:

motikmotik3 years ago

6 0

Hello from MrBillDoesMath!

Answer:

x = 21.93 (approx)

Discussion:

The two small triangles are congruent by ASA (each contains a right angle and equal base angles as the large triangle is isosceles). Applying Pythagoras gives

20^2 + (18/2)^2 = x^2 = > as 20^2 = 400 and 9^2 = 81

400 + 81 = x^2 =>

x^2 = 481 => take the square rot of both sides

x = 21.93 (approx)

Thank you,

MrB

marissa [1.9K]3 years ago

4 0

Answer:

x=21.9317

Step-by-step explanation:

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