Question

Som
The measurements of some plane figures are given in the table below. Horus
they are incomplete. Find the missing mformation
Figure
Measurements
Formula for
Area
area
Square
Side of the square
is 15 cm
Asidexside
Rectangle Length - 20 cm
Breadth
A/xb
280cm
1
Triangle
Base = 5 cm
Height
A
60cm
h
Parallelogram Height -76cm
Base
Abx h
38cm
Rhombus
d, -4 cm
d = 3 cm​

Answer 1

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1. Square

GIVEN - Area of Square = S×S

As , Side is 15 cm .

FIND :- Area of Square

15 × 15 = 225 cm²

___________________________

2. Rectangle

GIVEN - Area of Rectangle = L×B

As , Length is 20 cm .

FIND :- Breadth of Rectangle

B = A / L

Therefore answer is - 280cm² / 20cm = 14 cm .

___________________________

3. Triangle

GIVEN - Area of Triangle = 60 cm²

And Base is 5 cm

FIND :- Height and Formulae of Area .

Formulae of Area = B × H

Height = 60/5 = 12 cm .

___________________________

4. Parallelogram

GIVEN - Area of Parallelogram = B×H

Height = 7.6 , Area = 38 cm²

FIND :- Base

38cm² / 7.6cm = 5 cm