Answer:
the area of a triangle= 90cm²
base= 15cm
height= x
the area of a triangle= 1/2×base×height
90cm²= 1/2×15×x
90×2= 15×x
180= 15×x
x= 180/15
x=12cm
altitude= 12 cm
suppose height to be h
and base is given,15 cm
and area is 90 cm2
so
we know that area of∆=1/2×b×h
so,
1/2×15×h=90 cm2
hence
h=90×2/15
so h=12cm
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Answers & Comments
Answer:
the area of a triangle= 90cm²
base= 15cm
height= x
the area of a triangle= 1/2×base×height
90cm²= 1/2×15×x
90×2= 15×x
180= 15×x
x= 180/15
x=12cm
altitude= 12 cm
Verified answer
Answer:
suppose height to be h
and base is given,15 cm
and area is 90 cm2
so
we know that area of∆=1/2×b×h
so,
1/2×15×h=90 cm2
hence
h=90×2/15
so h=12cm