Answer:
Step-by-step explanation:
Triangle with sides of 10, 7 and x
- x² = 10² + 7²
- x² = 149
- x = √149
- x = 12.2
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Triangle with sides 3, 16 and 17
The two bigger angles are close in measure, so all 3 angles are less than 90°
The triangle is acute
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Right triangle with sides 9 and x and a angle 24°
- sin 24° = x/9
- x = 9 sin 24°
- x = 3.7
