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ELEN [110]
2 years ago
5

The formula for the atrapezoid is Ah bi b2). Express bi in number of feet inarea of terms the of a trapezoid is 60 square feet,

its height is 6 ft, and one base is 12 Find other base.

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
5 0
Area = 1/2h(b1 + b2)

60 = 1/2(6)(b1 +12)
60 = 3(b1 +12)
60 = 3b1 + 36
24 = 3b1
24/3 = b1

b1 = 8

The other base is 8 feet
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NEED HELP ASAP PLEASE
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Answer:

see explanation

Step-by-step explanation:

Given

A = \frac{1}{2} bh

a. substitute b = 6 and h = 5 into the formula

A = \frac{1}{2} × 6 × 5 = \frac{1}{2} × 30 = 15 units²

b.

Multiply both sides of the formula by 2

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bh = 2A ← divide both sides by b

h = \frac{2A}{b} = \frac{2(16)}{4} = \frac{32}{4} = 8

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3 0
3 years ago
Triangle ABC is shown the measure of the interior angle at point A is 40 and the exterior angle point C is 102
mixas84 [53]

Answer:

∠C (Interior) =78°

∠B (Interior) = 62°

Step-by-step explanation:

Given:

∠A (Interior) = 40°

∠C (exterior) = 102°

Computation:

∠C (Interior) = 180° - 102°

∠C (Interior) =78°

∠B (Interior) = 180° - ∠A (Interior) - ∠C (Interior)

∠B (Interior) = 180° - 78° - 40°

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3 years ago
A traffic helicopter descends 153 meters to be 445 meters above the ground, as illustrated in the
sertanlavr [38]

Answer:

598 meters

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In the problem, the word 'decend' means to decrease in elevation.

<u>Our equation:</u>

<u>? - 153 = 445</u>

<u>Add</u><u> </u><u>153</u><u> </u><u>to</u><u> </u><u>both</u><u> </u><u>sides</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>equation</u><u>:</u>

?= 598

598 meters represents the original height of the helicopter.

6 0
2 years ago
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