Find t in
the figure below.

__Solution__
4t + t + 90

^{0}= 180^{0}^{}

5t = 180

^{0 }- 90^{0}^{}

5t = 90

^{0}^{}

__5t__=

__90__

^{0 }[dividing by 4 on both sides]

5 5

**c = 18**

^{0}Mathematics is a challenging subject. Without the basics it becomes so hard for the pupil to capture the required concepts. Under this platform we try to come out with a solution. Welcome and be blessed so much.

Find t in
the figure below.

4t + t + 90^{0} = 180^{0}

5t = 180^{0
}- 90^{0}

5t = 90^{0}

5 5

Find c in
the figure below.

2c + c + 90^{0} = 180^{0}

3c = 180^{0
}- 90^{0}

3c = 90^{0}

3 3

Find a in
the figure below.

3a + 123^{0}
= 180^{0}

3a = 180^{0
}- 123^{0}

3a = 117^{0}

3 3

If
2: 8 = 10 : m; Find the value of m.

8 m

2
x m =
10 x
8

2m
= 80

2 2

m
= 40

If
8:3 = 11: w; Find the value of w.

Find m in
the figure below.

3m + m + 96^{0}
+ 108^{0} = 360^{0}

4m + 204^{0}
= 360^{0 }[collecting like
terms]

4m = 360^{0
}- 204^{0}

4m = 156^{0}

4 4

If
7: 5 = 14:B; Find the value of B.

5 B

7
x B =
5 x 14

7B
= 70

7 7

B
= 10

If
7:2 = 14: c; Find the value of c.

Find a in
the figure below.

2a + 80 =
180^{0}

2a = 180^{0
}- 80^{0}

2a = 100^{0}

2 2

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