Copy and complete the table for a triangle.
Base $6$ $8$ $5$ $x$ $16$ ? ?
Height $10$ $14$ $20$ $2 x$ ? $5$ $11$
Area ? ? ? ? $120$ $50$ $110$

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Solution

Area $= \frac{1}{2} \times$ base $\times$ height.

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Similar questions

(a) Complete the table and by inspection of the table, find the solution to the equation m + 10 = 16.

m	1	2	3	4	5	6	7	8	9	10	…
m + 10	−	−	−	−	−	−	−	−	−	−	−

(b) Complete the table and by inspection of the table, find the solution to the equation 5t = 35.

t	3	4	5	6	7	8	9	10	11	…
5t	−	−	−	−	−	−	−	−	−	−

z	8	9	10	11	12	13	14	15	16	...
		3		−	−	−	−	−	−	−

(d) Complete the table and find the solution to the equation m − 7 = 3

m	5	6	7	8	9	10	11	12	13	…
m − 7	−	−	−	−	−	−	−	−	−	−

The distribution of height of 50 children are given. If the mean height for the distribution is 117.8 cm, then complete the following table.
$\begin{matrix} H e i g h t & 110 & 115 & x_{1} & 120 & 121 & 125 N u m b e r o f s t u d e n t s & 6 & 8 & 14 & f_{1} & 4 & 3 \end{matrix}$

Q. Complete the given series:

5, 6, 7, 8, 10, 11, 14, . . . . . . .

Question 128(iii)

Predicting the ones digit, copy and complete this table and answer the questions that follow.

Powers Table
$\begin{matrix} X & 1^{x} & 2^{x} & 3^{x} & 4^{x} & 5^{x} & 6^{x} & 7^{x} & 8^{x} & 9^{x} & 10^{x} 1 & 1 & 2 2 & 1 & 4 3 & 1 & 8 4 & 1 & 16 5 & 1 & 32 6 & 1 & 64 7 & 1 & 128 8 & 1 & 256 O n e s d i g i t s o f t h e p o w e r s & 1 & 2, 4, 6, 8 \end{matrix}$

Predict the ones digit in the following.
$(i) 31^{10}$
$(i i) 12^{10}$
$(i i i) 17^{21}$
$(i v) 29^{10}$

Q. The distribution of the heights of 50 children are given. If the mean height for the distribution is 117.8 cm, then complete the following table:

\begin{matrix} H e i g h t & 110 & 115 & x_{1} & 120 & 121 & 125 N u m b e r o f s t u d e n t s & 6 & 8 & 14 & f_{1} & 4 & 3 \end{matrix}

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Base	$6$	$8$	$5$	$x$	$16$	?	?
Height	$10$	$14$	$20$	$2 x$	?	$5$	$11$
Area	?	?	?	?	$120$	$50$	$110$

Copy and complete the table for a triangle.Base685x16??Height1014202x?511Area????12050110

Area =12× base × height.

Copy and complete the table for a triangle.
Base $6$ $8$ $5$ $x$ $16$ ? ?
Height $10$ $14$ $20$ $2 x$ ? $5$ $11$
Area ? ? ? ? $120$ $50$ $110$

Area $= \frac{1}{2} \times$ base $\times$ height.