aminaaslam02
aminaaslam02 aminaaslam02
  • 12-07-2022
  • Mathematics
contestada

O is the centre of the circle shown below.

Line DHG is a tangent to the circle.

Work out the size of angle a. Justify your answer.​

O is the centre of the circle shown below Line DHG is a tangent to the circleWork out the size of angle a Justify your answer class=

Respuesta :

Medunno13
Medunno13 Medunno13
  • 18-07-2022

[tex]\angle EHF=90^{\circ}[/tex] (an angle inscribed in a semicircle is a right angle)

[tex]\angle HEF=38^{\circ}[/tex] (alternate segment theorem)

[tex]a=52^{\circ}[/tex] (angles in a triangle add to 180 degrees)

Answer Link

Otras preguntas

I am a 3-digit number that is even. My hundreds and ones digits are the same and have a sum of 8. My tens digit is 2 less than my ones digit. What number am I ?
how has climate influenced American foods?
whent did industrial revolution happened?
lightning thief: what is percys plan to get past cerberus?why dosnet it work?
What are the negative impacts of the medieval christians?
Describe a situation that would cause you to be scornful?!Please help
what kind of transportation was used in the 80's
What are the negative impacts of the medieval christians?
I am a 3-digit number that is even. My hundreds and ones digits are the same and have a sum of 8. My tens digit is 2 less than my ones digit. What number am I ?
at Alan's sports shop, GO FAST trainers cost £40.95 originally and there is a third off in the sale.  At  Irene's sport shop, GO FAST trainers cost £40.00 origi