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Kruka [31]
3 years ago
9

Calculate the lateral area of the following equilateral triangular-basedpyramid.​

Mathematics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

81 mm^2

Step-by-step explanation:

Area= 3*6*9/2=81 mm^2

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Greatest common factor of 15 and 33
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15 = 3 x 5
33 = 3 x 11
so
GCF = 3
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In which quadrant does the point s(-3, -4) lie?
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Is the function f(x) = (- 7) ^ x an exponential function ? If so , identify the base . If not , why not ?
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Step-by-step explanation:

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3 years ago
20 hours put into degrees
dexar [7]

Answer:

  300°

Step-by-step explanation:

If 24 hours is 360°, then ...

  (20 hours)/(24 hours) × 360° = 300°

5 0
3 years ago
Two diameters of circle P are AB and CD. Find the measure of arc ACD and arc AC when arc AD has a measure of 20 degrees
steposvetlana [31]

Answer:

Hence measure of arc ACD and arc AC are 340 degrees and 160 degrees respectively.

Step-by-step explanation:

Given:

A Circle with p as center and AB and CD as 2 diameters for a circle.

To Find:

Measure of ACD, and arc AC when arc AD is 20 degrees.

Solution:

<em>As we know that , Diameter is biggest chord which passes through center of circle,</em>

<em>Hence it divides the circle into two equal parts and making center as midpoint of it</em> .

(Refer the attachment)

angle APD=20 degree or arc AD=20 degree.

So AB as diameter ,so  arc DB=160 degree  or BPD=160 degree as A-B-P are

and angle APD and BPC are vertical opposite angles so they are congruent BPC=20 degree

Now,

points A,C,B,D,A makes circle which measures 360 degrees.

to find ACD

measure of ACD=360-(meaure of arc AD or angle APD)

=360-20

=340 degree.

Now arc AC,

as AB is diameter with p as midpoint ,A-P-B

arc APB=180 and arc BC=20 or angle BPC=20 degrees.

For measure of arc AC= measure of arc APB- arc BC

arc AC=180-20 degrees.

arc AC=160 degrees.

5 0
3 years ago
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