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Find the missing angle for each triangle below and state the tool you used to find the angle.

Find The Missing Angle For Each Triangle Below And State The Tool You Used To Find The Angle class=

Sagot :

SpiritInly

Answer:

19.2 degrees using sine rule

Step-by-step explanation:

right angle = 90 degrees

to find the missing angle, we use the sine rule

[tex] \frac{sin(A)}{a} = \frac{sin(C)}{c} [/tex]

insert the values that you have:

[tex] \frac{sin(A)}{4.6} = \frac{sin(90)}{14} [/tex]

cross multiply

[tex]{sin(A)} = \frac{sin(90)}{14} \times 4.6 = 0.3285....[/tex]

use inverse sine to get the angle

[tex] \sin {}^{ - 1} (0.3285...) = 19.2(1dp)[/tex]

answer:19.2 degrees

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