3 years ago

Choose which triangle goes into the right category.

Mathematics

1 answer:

Alex787 [66]3 years ago

8 0

Answer:

obtuse cant be a right angle

Step-by-step explanation:

in order to be obtuse you have to be more than 90 dagrees

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I need help on number 17 and 18 on how to find the area of the figure

JulsSmile [24]

17. Area of triangle: 1/2bh
1/2 * 12 * 15
1/2 * 180
=90 cm^2

18. Area of trapezoid: 1/2 h (b1 + b2)
1/2 * 8 ( 12 + 15.4)
4 * 27.4
= 109.6 cm^2

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3 years ago

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The value of the expression is

elixir [45]

Answer:

P: parentheses (12 - 8) = 4

E: exponents (3^2) = 9

M: multiplication (12-8)/2 * 4 = 8

D: division (12-8)/2 = 2

A: addition (7 + 9 + 8) = 24

S: subtraction (blank)

Following the order of operations, our final answer is: 24

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3 years ago

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spencer spent 4 hours doing chores over the weekend. If he spent 2/3 for an hour on each chore, how many chores did he do.

Elina [12.6K]

2/3 + 2/3 + 2/3 + 2/3
8/3
2 2/3

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3 years ago

Giving Brainliest for right answers :)

VashaNatasha [74]

Answer:

∠ DFE = 15°

Step-by-step explanation:

The inscribed angle DFE is half the measure of its intercepted arc, that is

∠ DFE = $\frac{1}{2}$ DE = $\frac{1}{2}$ × 30° = 15°

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3 years ago

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Decide whether it is possible for a triangle to have the three angle measures or three side lengths given.

9966 [12]

Answer:

Step-by-step explanation:

the first one cant be a triangle

im pretty sure the second one can

the third one can

im pretty sure the fourth one cant

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3 years ago