Question

A
20°
Q2. In a Right Angled Triangle ABC where angle A= 90° and AB=AC. What is measur
of angle B 2
OR
If two adjacent angles on a straight line are in the ratio 5:4, find the measure of each
angle.
Q3. In a triangle, the sum of its two sides is
A) equal to B) less than C) greater
than third side.
Q4. In the figure given below POQ is a line, 2POR = 4x and LQOR = 2x then, find the
value of x.
OR
If the vertical angle of an isosceles triangle is 40° then find the measure of other two
angles
Q5. If one angle of a triangle is equal to the sum of other two angles, then write the name
of triangle so formed.
a)Acute Angled Triangle
b)Obtuse Angled Triangle
c)Right Angled Triangle
Q6. Find the measure of angle which is four times of its complement.
Q7. If three angles of a quadrilateral are 75°. 90% and 75°. Find the measure of fourth
angle​

Answer 1

Q2: B is 45

Q3: The sum of any two sids of a triangal is larger than the third side.

Q4: you didn’t indicate full question or it's my fault. So I don’t know the answer. Sorry.

Q5: c) Right Angled Triangle

Q6: 72

Q7: 120