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inessss [21]
4 years ago
6

A local hamburger shop sold a combined total of 633 hamburgers and cheeseburgers on Tuesday. There were 67 fewer

Mathematics
1 answer:
masya89 [10]4 years ago
7 0

Let number of hamburgers is x, than number of cheeseburgers is x-67

x+(x-67)=633

2x=700

x=350

Answer: 350 hamburgers were sold on Tuesday

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Given: △ABC, m∠A=60° m∠C=45°, AB=8 Find: Perimeter of △ABC, Area of △ABC . FIRST CORRECT ANSWER GETS POINTS AND BRAINLIEST!!!! T
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Given : In △ABC, m∠A=60°, m∠C=45°,and AB=8 unit

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∴m∠A+ m∠B+m∠C=180                      ......[1]

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\frac{\sin 60^{\circ}}{BC} =\frac{\sin 45^{\circ}}{8}

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BC = 8 \cdot \frac{\sin 60^{\circ}}{\sin 45^{\circ}}

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Similarly for  AC:

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AC=8 \cdot \frac{0.96592582628}{0.707106781} =10.9283 unit

To find the perimeter of triangle ABC;

Perimeter = Sum of the sides of a triangle

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Perimeter of △ABC = AB+BC+AC = 8 +9.798+10.9283 = 28.726 unit.

To find the area(A) of triangle ABC ;

Use the formula:

A = \frac{1}{2} \times AB \times AC \times \sin A

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A=\frac{1}{2} \times 8 \times 10.9283 \times \sin 60^{\circ}

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