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andreev551
6 days ago
9

The angle measure of thre angle of a triangle are p, q and r. Angle measure of q is one third of p and r is the difference of p

and q.
Mathematics
2 answers:
AnnZ [3.8K]6 days ago
7 0

The measures of the angles in the triangle are represented as p, q, and r.

Since the angles of a triangle add up to 180 degrees, we have:

p+q+r=180

Angle q is defined as one third of angle p, hence:

q=\frac{1}{3}p

The angle r is determined by the difference between p and q:

r=p-q

Substituting for q gives:

So, r=p-q=p-\frac{p}{3}

From this, we can derive:

r=\frac{3p}{3}-\frac{1p}{3}

Then it follows:

r=\frac{3p-1p}{3}

r=\frac{2p}{3}

Given that p+q+r=180, with q=\frac{p}{3} and r=\frac{2p}{3}, we arrive at:

p+\frac{p}{3}+\frac{2p}{3}=180

To eliminate the fraction, let's multiply the complete expression by 3:

3*p+ 3*\frac{p}{3}+ 3*\frac{2p}{3}=3*180

We simplify to find:

3p+p+2p=540

Thus, 6p=540

Dividing by 6 gives us:

\frac{6p}{6} =\frac{540}{6}

So, p=90

With p=90, we find:

q=\frac{p}{3}

q=\frac{90}{3}

q=30

And for r, we calculate:

r=\frac{2p}{3}

r=\frac{2*90}{3}

r=\frac{180}{3}

Thus, we conclude p=90, q=30, r=60

The triangle's angle measures are 90, 30, and 60

Inessa [3.9K]6 days ago
3 0

In this problem, we need to find the measures of all three angles in a triangle.

Let the angles be represented as p, q, and r.

Given that the measure of angle q is one-third of angle p, we have:

q=\frac{p}{3}

The measure of angle r represents the difference between angles p and q, which gives us:

r=p-q (Equation 1)

Applying the triangle angle sum property, it is known that the cumulative angle measure in a triangle is 180^{\circ}

p+q+r=180^{\circ}

Substituting the value for r from Equation 1, we find:

p+q+p-q=180^{\circ}

2p=180^{\circ}

Thus, p=90^{\circ}

Since q=\frac{p}{3}

q=\frac{90}{3} = 30^{\circ}

Since angle r is equal to p-q, we can conclude:

r =90^{\circ}-30^{\circ}=60^{\circ}

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