the height of the triangle is 18 cm and its area is 72 cm square find its base
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Answer:8cm
Step-by-step explanation:
Area of triangle =1/2xbasexheight
72=1/2xbasex18[given]
72x2=basex18
144/18=base
Therefore-base=8cm
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GIVEN :-
- Height of the triangle is 18 cm.
- Area of the triangle is 72 cm².
TO FIND :-
- The base of the triangle.
SOLUTION :-
☞ Area of triangle = 1/2 (base × height)
➝ 72 cm² = 1/2 (base × 18 cm)
➝ 72 cm² = base × 9 cm
➝ base = 72 cm²/9 cm
➝ base = 8 cm
Hence The base of triangle is 8 cm.
VERIFICATION :-
☞ Area of triangle = 1/2 (base × height)
➝ 72 cm² = 1/2 (8 cm × 18 cm)
➝ 72 cm² = 144 cm²/2
➝ 72 cm² = 72 cm²
L.H.S = R.H.S
HENCE VERIFIED
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