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GB-33-01-001 · Pythagoras hypotenuse

16 cm8 cmx cm
Diagram not accurately drawn

Find the length of x. Give your answer to 1 decimal place.

Pythagoras (Finding the Hypotenuse) Booklet p. 34
Method
1) Label triangle (Hypotenuse H is opposite right angle, A, B)
2) Sub into H² = A² + B²
3) Square root to solve
Worked Example (GB-33-01-001)
Booklet p. 34: Label Hypotenuse H\mathbf{H} (opposite right angle) and use H2=A2+B2\mathbf{H^2 = A^2 + B^2}
1) x2=162+82x^2=16^2+8^2
2) 17.9 cm
17.9 cm