Section A has 80 marks Section B has 120 marks. Riya scores
55% in Section A 70% in Section B.
To pass, Riya needs to score 65% of the total marks.
Does she pass? You must show your working.

Riya does not pass

Step-by-step explanation:

From the question:

Section A has 80 marks

Section B has 120 marks.

The total marks from both sections = 200 marks

To pass, Riya needs to score 65% of the total marks.

Hence: 65% of 200 marks

= 65/100 × 200

= 130 marks.

To pass Riya must score 130 marks.

Riya scores:

For section A

55% in Section A

Her marks in section A = 55% × 80

= 55/100 × 80

= 44 marks

For section B

70% in Section B.

Her marks in section A = 70% × 120

= 70/100 × 120

= 84 marks

Therefore , the total marks Riya scored in both sections =

44 marks + 84 marks

= 128 marks

Riya scored a total of 128 marks. SHE DOES NOT PASS. Because the pass mark is a total of 130 marks from Section A and Section B

step-by-step explanation:

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.