Question

Please answer the second and fourth question other I have done in my notebook.

Answer 1

Answer:

84 and 96

Step-by-step explanation:

7+8=15

180/15=12

12 x 7 =84

12 x 8 = 96

I THINK THIS ANSWER WILL HELP YOU

Answer 2

Step-by-step explanation:

2-

i) Let the one angle be x the

According to question

x + x = 90

x = 45

ii) Let one angle be x then other angle be 4/5 x

then A T Q

x + 4/5 x = 180

9/5x = 180

x = 100 then other angle = 4/5 × 100

= 80 degree

iii) I think you are able to do yourself .

4-

Let the angles be 7x and 8x the

A T Q (according to question)

7x + 8x = 90

x = 6

then

7 x = 7×6=42

8x = 8×6=48