Question

the length of the base of a triangle is 12 cm and its area is 108 sq. cm .find the height of the triangle.if the height of this triangle is halved and the length of the base is doubled find new area.​

Answer 1

Answer:

Height =18cm

Step-by-step explanation:

formula :1/2×b×h

putting the values:

h=108×2/12

h=18

halved height 18/2=9

doubled base 12×2=24

Area of triangle=1/2×b×h

A=1/2×24×9

A=108

Answer 2

Answer:

formula :1/2xbxh

putting the values:

h=108×2/12

h=18

halved height 18/2=9

doubled base 12×2=24

Area of triangle=1/2xbxh

A=1/2×24×9

A=108

Step-by-step explanation:

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