1 year ago

Match the side and angle measures of each triangle to its correct classification.

Mathematics

1 answer:

mojhsa [17]1 year ago

7 0

Step-by-step explanation:

the first one is acute equilateral

the second one is obtuse scalene

the third one is right scalene

the fourth one is obtuse isosceles

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Solve for y. Please help!!

Nadya [2.5K]

Answer:

$y=3\sqrt{7}\ units$

Step-by-step explanation:

see the attached figure with letters to better understand the problem

we know that

In the right triangle ABD

$tan($

In the right triangle BCD

$tan($

remember that

m< BAD=m<CBD

therefore

$tan($

equate the equations

$y/9=7/y$

$y^{2}=63$

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2 years ago

Read 2 more answers

If the measure of angle 2 is 3x, and the measure of 1 is 5x - 12 what is the measure of angle 9 ?

Mariana [72]

3x+5x-12=180
8x=180+12
8x=192
x=192/8
x=24

angle 1 = 5x-12
=5(24)-12
=120-12
=108

angle 2= 3x =3*24=72

angle 1 = angle 9
angle 9= 108

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2 years ago

mr. Savage shoes 3 gallons of paint to cover 1350 sq ft of wall space at this rate how much paint will be needed to cover 1800 s

dexar [7]

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Step-by-step explanation:

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John’s mathematics teacher drew a triangle that had a 70° angle and a 20° angle. What is the measure of the third angle in the t

kari74 [83]

All triangles interior angles equal 180
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3 years ago