Question

sum of half a right angle and 1/3 of straight angle is​

Answer 1

Step-by-step explanation:

let the right angle be 'x' and straight angle be 'y'

then ,

the sum of half a right angle and 1 by 3 of straight angle is= 1/2x+1/3y

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Answer 2

Answer:

Required sum is ${105}^{o}$

Step-by-step explanation:

Here we want to find sum of half a right angle and 1/3 of straight angle.

We know, right angle $= {90}^{o}$

and straight angle $= {180}^{o}$

Half of right angle

$= \frac{1}{2} \: of \: {90}^{o} \\ = \frac{ {90}^{o} }{2} \\ = {45}^{o}$

and 1/3 of straight angle

$= \frac{1}{3} \: \: of \: {180}^{o} \\ = {60}^{o}$

Now,sum of half a right angle and 1/3 of straight angle

$= {45}^{o} + {60}^{o} \\ = {105}^{o}$

This is a problem of Mathematics.

Some important Mathematics formulas,

(a + b)² = a² + 2ab + b²

(a − b)² = a² − 2ab − b²

(a + b)³ = a³ + 3a²b + 3ab² + b³

(a - b)³ = a³ - 3a²b + 3ab² - b³

a³ + b³ = (a + b)³ − 3ab(a + b)

a³ - b³ = (a -b)³ + 3ab(a - b)

a² − b² = (a + b)(a − b)

a² + b² = (a + b)² − 2ab

a² + b² = (a − b)² + 2ab

a³ − b³ = (a − b)(a² + ab + b²)

a³ + b³ = (a + b)(a² − ab + b²)

Two more important mathematics questions,

1) https://brainly.in/question/13024124

2) https://brainly.in/question/1169549

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