# Quadrilateral 42151

Calculations from geometry:

The ratios of the sides of the quadrilateral are 3 : 6:4.5 : 3.5. Calculate their lengths if the circumference is 51 cm.

The sizes of the angles in the quadrilateral are equal to 29°30', 133°10', and 165°20'. What is the size of angle D?

The ratios of the sides of the quadrilateral are 3 : 6:4.5 : 3.5. Calculate their lengths if the circumference is 51 cm.

The sizes of the angles in the quadrilateral are equal to 29°30', 133°10', and 165°20'. What is the size of angle D?

### Correct answer:

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

**algebra**- expression of a variable from the formula
**planimetrics**- perimeter
- quadrilateral
**basic functions**- ratio
**numbers**- fractions

#### Units of physical quantities:

#### Grade of the word problem:

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