Question

In the given fugure L1=L2, then find measures of L3 and L4.​

Answer 1

Answer:

119°

Step-by-step explanation:

this tri angle is isosceles triangle

L1 and L2 = (180-58)/2

=61°

L3 and L4 are equal as L1 and L2 are equal

L 3 and L4 = 180-61=119°

OR

L3=L4

L3=58+L2

L3=58+61=119° (ext.L =sum of opposite interiorL)

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Answer 2

Answer:

119⁰,119⁰

Step-by-step explanation:

L3+L1=180⁰

L3+61⁰=180⁰

L3=180⁰–61⁰

L3=119⁰

L3=L4(sum of opposite angles)

•°• 119⁰,119⁰