Question

X base
D
2
1
X product of sides forming right
2
angle
1
=
x 5.6 x 4.5
1
2
x 3.5 x 4.2
2
==
12.6 sqcm
= 7.35 sqcm
(Note that sqcm is also written as cm²).
Pratice set 46
1. A page of a calendar is 45 cm long and 26 cm wide. What is its area ?
2. What is the area of a triangle with base 4.8 cm and height 3.6 cm ?
3. What is the value of a rectangular plot of land 75.5 m long and 30.5 m broad at the
rate of 1000 rupees per square metre?
4. A rectangular hall is 12 m long and 6 m broad. Its flooring is to be made of square
tiles of side 30 cm. How many tiles will fit in the entire hall? How many would be
required if tiles of side 15 cm were used?
5. Find the perimeter and area of a garden with measures
as shown in the figure alongside.
13 m
13 mt
13 m
hr
2 Let's learn.
Let's learn.
Surface Area
The surface area of any three-dimensional object is the sum of the areas of all its​

Answer 1

Answer:

sorry dont know the answer but i will try my best to answer

Step-by-step explanation: