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3 years ago

15

Find the side length of the triangle.

2 answers:

Allushta [10]3 years ago

7 0

Answer:

a=12

Step-by-step explanation:

brainlest if this helped so much !

Ipatiy [6.2K]3 years ago

7 0

Answer:

Its A. 12

Step-by-step explanation:

Hope this helps!

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A triangle PQR is right angled at R, with PQ=80cm and R=60cm. find QR?<br> pythagorus theorem

algol13

Answer:

Solution given:

A triangle PQR is right angled at R, with hypotenuse{h}PQ=80cm

and

base[b]PR=60cm.

perpendicular [P]= QR

<u>by</u><u> </u><u>using</u><u> </u><u>Pythagoras</u><u> </u><u>law</u>

<u>h²</u><u>=</u><u>p²</u><u>+</u><u>b²</u>

80²=QR²+60²

QR²=80²-60²

QR= $\sqrt{2800}$

QR=20 $\sqrt{7}$ =52.9=53cm

<u>QR</u><u>=</u><u>5</u><u>3</u><u>c</u><u>m</u><u>.</u>

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Step-by-step explanation:

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