Question

30 points help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! .

Answer 1

`\large \boxed{\mathrm{a=51}}`

`\large \boxed{\mathrm{b=24}}`

Explanation:

Angles in a triangle add up to 180 degrees.

The first triangle has one right angle or 90 degrees angle.

`a+39+90=180`

Solve for a.

`a=180-39-90`

`a=51`

`2b+68+64=180`

Solve for b.

`2b=180-64-68`

`2b=48`

`b=24`

Answer 2

a) a = 51°

b) b = 24°

Explanation:

a) a + 90 + 39 = 180

a = 180 - 129

a = 51

b) 64 + 68 + 2b = 180

2b = 180 - 132

2b = 48

b = 24