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Nostrana [21]
3 years ago
8

The diagram shows a rectangle PQRS.

Mathematics
1 answer:
Aloiza [94]3 years ago
6 0

Answer:

a) The area of the triangle AQB is 43 square centimeters.

b) The length of the line segment AQ is approximately 14.866 centimeters.

Step-by-step explanation:

a) The procedure consist in subtracting the areas of triangles APQ, ASB and BRQ of the area the rectangle, that is to say:

A = (9\,cm)\cdot (14\,cm) - \frac{1}{2}\cdot (5\,cm)\cdot (14\,cm) - \frac{1}{2}\cdot (8\,cm)\cdot (9\,cm) -\frac{1}{2}\cdot (4\,cm) \cdot (6\,cm)

A = 43\,cm^{2}

The area of the triangle AQB is 43 square centimeters.

b) The length of the line segment AQ is determined by Pythagorean Theorem:

AQ = \sqrt{AP^{2}+PQ^{2}} (1)

AQ = \sqrt{(5\,cm)^{2}+(14\,cm)^{2}}

AQ \approx 14.866\,cm

The length of the line segment AQ is approximately 14.866 centimeters.

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1. Yes;   2. Yes ;     3. No;       4. Yes

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The proportion will have to be read the same way.  For example top Δ bottom  to the lower Δ bottom (locate in the same place)

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