Respuesta :

Answer:

Step-by-step explanation:

3. [tex]A=\frac{ab}{2} =\frac{12*16}{2}= 96m^2[/tex]

5.Unknown side equals 17.75m

7. [tex]C=\sqrt{a^2+b^2}=\sqrt{2^2+21^2}=21.1m^2[/tex]

9. Unknown side equals 14.73m

15. 22.8m

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