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olga nikolaevna [1]
3 years ago
9

Find the area of the triangle below.

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0
35 cm
using the formula a=1/2(b)(h), we can plug in 14 for b and 5 for h. This gives us 70, and when we multiply by 1/2 it leaves 35 cm.
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What is the length of DE
tangare [24]

These two triangles are similar and the conversion factor is 2/3. This can be found by dividing one side length corresponding to the other on the other triangle.

In this case, DF ~ AC

DF = 12

AC = 18

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Knowing this, we can multiply 15 by 2/3 to find the length of DE because side lengths AB and DE are similar.

15 • 2/3 = 10

DE = 10

7 0
3 years ago
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Bisectors of angles A, B and C of a triangle ABC intersect its circumcircle at D, E and F respectively. Prove that the angles of
Simora [160]

Answer:

The region between a chord and either of its arcs is called a segment the circle.

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hence ∠ADF = ∠FCA

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∠E = ∠C/2 + ∠A/2

and 

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8 0
3 years ago
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muminat

Answer:

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Step-by-step explanation:

f(x)=-x^2+5\\\\f(-3)=-(-3)^2+5=-9+5=-4

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Answer:

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Answer:

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