Question

Q. 14 - Find the missing value -

a) Base = 6 cm, Height = 4.4 cm find Area of Triangle.

b) Base = 38 cm, Area of triangle = 494 cm^2 find height

C) Base = 5.8, Height = 5 cm find area of parallelogram.

d) Height = 9 cm, Area of parallelogram = 136.8cm^2 find base​.





thx for helping me ​

Answer 1

Step-by-step explanation:

a) 1/2*b*h

= 1/2*6*4.4

$= 13.2 \: cm {}^{2}$

b) 1/2*b*h

494=1/2*38*h

494*2/1*1/38=h

13*2=h

26cm=h

c) b*h

parallelogram =5.8*5

$= 29 \: cm {}^{2}$

d) 136.8= b *9

136.8/9=b

$= 15.2 \: cm$

Hope, it helpful for you

Answer 2

according to question,

(a)area of triangle= 1/2×b× h

=1/2×6×4.4

=13.2cm^2

(b) area of triangle=1/2×b×h

494 =1/2×38×h

494×2/38=h

h= 26cm

(c) area of parallelogram= b×h

= 5.8×5

=29cm^2

(d) area of parallelogram= b×h

136.8=b×9

136.8/9= b

b= 15.2 cm

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