# Observatories 64424

Objective C we observe from two artillery observatories A, and B, which are 975 m apart. The size of the BAC angle is 63 °, and the size of ABC is 48 °. Calculate the distance of points A and C.

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**planimetrics**- triangle
- The Law of Sines
**basic functions**- ratio
- percentages
**numbers**- fractions
**goniometry and trigonometry**- sine

#### Units of physical quantities:

#### Grade of the word problem:

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