Question

The length of the hypotenuse of a right triangle, whose other two sides are
cm,
(b) 5 cm
(c) 4 cm
is
(6) 18 cm
(c) 81 cm
4.
1. Multiple Choice Questions (MCQ) Choose the correct option.
3 cm and 4
(a) 10 cm
m) The perpendicular length of a right triangle, whose hypotenuse is 15 em
(d) 3 cm
and base is 12 cm,
(a) 27 cm
till If a, b, c are the three positive integers
, then which of the following is true for p
(d) 9 cm
Pythagorean triplets ?
(a) a² + 2 > 2
(6) a² + b² = c² (c) a² +6² > ²
(d) 62 + c?>a
2. The hypotenuse of a right triangle is 25 cm and its perpendicular distance is 7 cm,
find the length of its base.
3. Perimeter of a rectangle is 34cm. If its breadth is of 5 cm, find the length of
each diagonal of it.
4. The sides of two triangles are given below. Determine which of them is the right triangle :
(1) a = 6 cm, b = 8 cm, c =
10 cm
(ii) a = 5 cm, b = 8 cm, c = 11 cm
5. Angles B and C of a A ABC are 30° and 60° respectively.
State which of the following is/are 'True'.
(1) AB? + AC2 = BC2
(ii) AB2 + BC2 = AC2
(ii) AC + BC2 = AB2
6. ABC is an isosceles right triangle, right-angled at C.
Prove that AB2=2AC2
7. A ladder of 15 m long reaches a window which is 9 m above the ground on one side
of a street. Keeping its foot at the same point, the ladder is turned to other side of
the street to reach a window of 12 m high. Find the width of the street.
8. A man goes 10 m due east and then 24 m due north. Find the distance from the
starting point.
9. A tree broke at a point but did not separate. Its top touched the ground at a
distance of 6 dm from its base. If the point where it broke be at a height 2.5 dm
from the ground, what was the total height of the tree before it broke?
Please send all questions answers by solving​

Answer 1

Step-by-step explanation:

add the following.. pls ans very urgent

-3a²b², -5/2a²b², 4a²b², 2/3a²b²add the following.. pls ans very urgent

-3a²b², -5/2a²b², 4a²b², 2/3a²b²add the following.. pls ans very urgent

-3a²b², -5/2a²b², 4a²b², 2/3a²b²add the following.. pls ans very urgent

-3a²b², -5/2a²b², 4a²b², 2/3a²b²add the following.. pls ans very urgent

-3a²b², -5/2a²b², 4a²b², 2/3a²b²add the following.. pls ans very urgent

-3a²b², -5/2a²b², 4a²b², 2/3a²b²