Answer: # 4.) 9.4
#5.) 10.2 cm
#6.) 5 inches .
Step-by-step explanation: Assuming that a right triangle is expected, use the Pythagorean Theorem to calculate the third side: a² + b² = c²
[tex]5^{2}+8^{2}=89[/tex] Then take the square root of 89. A calculator is handy for most of these!
√89 = 9.433981 . Round to 9.4
[tex]2^{2}+10^{2}=104[/tex]
√104 = 10.1980 Round to 10.2 Remember to include the units, cm in the answer.
Memorize this one:
Given side lengths of 3 & 4, the hypotenuse is 5!
3² + 4² = 5² Called a "Pythagorean Triple"
9 + 16 = 25
The square on the hypotenuse is a perfect square of 5
No calculator necessary, and you are likely to see this ratio in other questions.
